122111220231012 has 96 divisors (see below), whose sum is σ = 304407948096000. Its totient is φ = 37984745981952.

The previous prime is 122111220230963. The next prime is 122111220231023. The reversal of 122111220231012 is 210132022111221.

It is a super-2 number, since 2×122111220231012² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122111220231012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604263364 + ... + 604465412.

It is an arithmetic number, because the mean of its divisors is an integer number (3170916126000).

Almost surely, 2^{122111220231012} is an apocalyptic number.

122111220231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122111220231012 is an abundant number, since it is smaller than the sum of its proper divisors (182296727864988).

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

122111220231012 is a wasteful number, since it uses less digits than its factorization.

122111220231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241705 (or 241703 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 122111220231012 its reverse (210132022111221), we get a palindrome (332243242342233).

The spelling of 122111220231012 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, twelve".