122021001312012 has 54 divisors (see below), whose sum is σ = 339031262381084. Its totient is φ = 36976061002320.

The previous prime is 122021001312011. The next prime is 122021001312047. The reversal of 122021001312012 is 210213100120221.

122021001312012 is a `hidden beast` number, since 1 + 220 + 210 + 0 + 1 + 31 + 201 + 2 = 666.

It is a super-2 number, since 2×122021001312012² (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 (122021001312011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14006079358 + ... + 14006088069.

Almost surely, 2^{122021001312012} is an apocalyptic number.

122021001312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021001312012 is an abundant number, since it is smaller than the sum of its proper divisors (217010261069072).

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

122021001312012 is a wasteful number, since it uses less digits than its factorization.

122021001312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28012167459 (or 28012167443 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122021001312012 its reverse (210213100120221), we get a palindrome (332234101432233).

The spelling of 122021001312012 in words is "one hundred twenty-two trillion, twenty-one billion, one million, three hundred twelve thousand, twelve".