122113220212312 has 64 divisors (see below), whose sum is σ = 262554141957120. Its totient is φ = 52157772108288.

The previous prime is 122113220212283. The next prime is 122113220212363. The reversal of 122113220212312 is 213212022311221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45245793 + ... + 47868655.

It is an arithmetic number, because the mean of its divisors is an integer number (4102408468080).

Almost surely, 2^{122113220212312} is an apocalyptic number.

It is an amenable number.

122113220212312 is an abundant number, since it is smaller than the sum of its proper divisors (140440921744808).

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

122113220212312 is a wasteful number, since it uses less digits than its factorization.

122113220212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625680 (or 2625676 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122113220212312 its reverse (213212022311221), we get a palindrome (335325242523533).

The spelling of 122113220212312 in words is "one hundred twenty-two trillion, one hundred thirteen billion, two hundred twenty million, two hundred twelve thousand, three hundred twelve".