122312112112216 has 64 divisors (see below), whose sum is σ = 262743760752480. Its totient is φ = 52879247124480.

The previous prime is 122312112112213. The next prime is 122312112112217. The reversal of 122312112112216 is 612211211213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312112112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163563111 + ... + 164309206.

Almost surely, 2^{122312112112216} is an apocalyptic number.

It is an amenable number.

122312112112216 is an abundant number, since it is smaller than the sum of its proper divisors (140431648640264).

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

122312112112216 is a wasteful number, since it uses less digits than its factorization.

122312112112216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327872564 (or 327872560 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

Adding to 122312112112216 its reverse (612211211213221), we get a palindrome (734523323325437).

The spelling of 122312112112216 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred sixteen".