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212202201012012 = 223223718821281837
BaseRepresentation
bin110000001111111100101100…
…110011111101011100101100
31000211100022222020120211201200
4300033330230303331130230
5210303210101424341022
62031152202333005500
762461050234506631
oct6017745463753454
91024308866524650
10212202201012012
11616834a240a242
121b97225b923890
139153773c94ab3
143a588d9b46188
15197eced7a0bac
hexc0ff2ccfd72c

212202201012012 has 72 divisors (see below), whose sum is σ = 536688981100272. Its totient is φ = 70695967708800.

The previous prime is 212202201011987. The next prime is 212202201012019. The reversal of 212202201012012 is 210210102202212.

It is a happy number.

212202201012012 is a `hidden beast` number, since 21 + 220 + 220 + 1 + 0 + 1 + 201 + 2 = 666.

It is a super-2 number, since 2×2122022010120122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212202201012019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752784358 + ... + 753066194.

Almost surely, 2212202201012012 is an apocalyptic number.

It is an amenable number.

212202201012012 is an abundant number, since it is smaller than the sum of its proper divisors (324486780088260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212202201012012 is a wasteful number, since it uses less digits than its factorization.

212202201012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293039 (or 293034 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212202201012012 its reverse (210210102202212), we get a palindrome (422412303214224).

The spelling of 212202201012012 in words is "two hundred twelve trillion, two hundred two billion, two hundred one million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 2371 4742 7113 8821 9484 14226 17642 21339 26463 28452 35284 42678 52926 79389 85356 105852 158778 281837 317556 563674 845511 1127348 1691022 2536533 3382044 5073066 10146132 20914591 41829182 62743773 83658364 125487546 188231319 250975092 376462638 668235527 752925276 1336471054 2004706581 2486084177 2672942108 4009413162 4972168354 6014119743 7458252531 8018826324 9944336708 12028239486 14916505062 22374757593 24056478972 29833010124 44749515186 89499030372 5894505583667 11789011167334 17683516751001 23578022334668 35367033502002 53050550253003 70734067004004 106101100506006 212202201012012