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212202013122 = 232111071727339
BaseRepresentation
bin1100010110100000111…
…0011100000111000010
3202021201201112011202100
43011220032130013002
511434042203404442
6241252333331230
721221364231201
oct3055016340702
9667651464670
10212202013122
1181aa3560270
1235162036b16
131701a294398
14a3b0887238
1557be7ea84c
hex316839c1c2

212202013122 has 24 divisors (see below), whose sum is σ = 501568395120. Its totient is φ = 64303640280.

The previous prime is 212202013081. The next prime is 212202013141. The reversal of 212202013122 is 221310202212.

212202013122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212202013095 and 212202013104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535863472 + ... + 535863867.

It is an arithmetic number, because the mean of its divisors is an integer number (20898683130).

Almost surely, 2212202013122 is an apocalyptic number.

212202013122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212202013122 is an abundant number, since it is smaller than the sum of its proper divisors (289366381998).

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

212202013122 is a wasteful number, since it uses less digits than its factorization.

212202013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071727358 (or 1071727355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212202013122 its reverse (221310202212), we get a palindrome (433512215334).

The spelling of 212202013122 in words is "two hundred twelve billion, two hundred two million, thirteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1071727339 2143454678 3215182017 6430364034 9645546051 11789000729 19291092102 23578001458 35367002187 70734004374 106101006561 212202013122