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212011012212 = 22397577181063
BaseRepresentation
bin1100010101110011010…
…1110101000001110100
3202021020102010022202120
43011130311311001310
511433144304342322
6241221351435540
721213554604216
oct3053465650164
9667212108676
10212011012212
1181a0576447a
123510a085bb0
1316cb983b1ac
14a3933685b6
1557acb6ca5c
hex315cd75074

212011012212 has 24 divisors (see below), whose sum is σ = 494700163776. Its totient is φ = 70669222848.

The previous prime is 212011012207. The next prime is 212011012219. The reversal of 212011012212 is 212210110212.

212011012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212011012191 and 212011012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080393 + ... + 1261455.

It is an arithmetic number, because the mean of its divisors is an integer number (20612506824).

Almost surely, 2212011012212 is an apocalyptic number.

It is an amenable number.

212011012212 is an abundant number, since it is smaller than the sum of its proper divisors (282689151564).

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

212011012212 is a wasteful number, since it uses less digits than its factorization.

212011012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278647 (or 278645 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212011012212 its reverse (212210110212), we get a palindrome (424221122424).

The spelling of 212011012212 in words is "two hundred twelve billion, eleven million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 97577 181063 195154 292731 362126 390308 543189 585462 724252 1086378 1170924 2172756 17667584351 35335168702 53002753053 70670337404 106005506106 212011012212