122112202112012 has 36 divisors (see below), whose sum is σ = 250231816309104. Its totient is φ = 51987219429600.

The previous prime is 122112202112003. The next prime is 122112202112027. The reversal of 122112202112012 is 210211202211221.

It is a super-2 number, since 2×122112202112012² (a number of 29 digits) contains 22 as substring.

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, 2062955303 + ... + 2063014494.

It is an arithmetic number, because the mean of its divisors is an integer number (6950883786364).

Almost surely, 2^{122112202112012} is an apocalyptic number.

It is an amenable number.

122112202112012 is an abundant number, since it is smaller than the sum of its proper divisors (128119614197092).

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

122112202112012 is a wasteful number, since it uses less digits than its factorization.

122112202112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125969966 (or 4125969957 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122112202112012 its reverse (210211202211221), we get a palindrome (332323404323233).

The spelling of 122112202112012 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred two million, one hundred twelve thousand, twelve".