31212103114122 has 32 divisors (see below), whose sum is σ = 71414971512192. Its totient is φ = 8908616054784.

The previous prime is 31212103114121. The next prime is 31212103114139. The reversal of 31212103114122 is 22141130121213.

It is a junction number, because it is equal to n+sod(n) for n = 31212103114092 and 31212103114101.

It is not an unprimeable number, because it can be changed into a prime (31212103114121) 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, 380278983 + ... + 380361050.

It is an arithmetic number, because the mean of its divisors is an integer number (2231717859756).

Almost surely, 2^{31212103114122} is an apocalyptic number.

31212103114122 is an abundant number, since it is smaller than the sum of its proper divisors (40202868398070).

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

31212103114122 is a wasteful number, since it uses less digits than its factorization.

31212103114122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760641022.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 31212103114122 its reverse (22141130121213), we get a palindrome (53353233235335).

The spelling of 31212103114122 in words is "thirty-one trillion, two hundred twelve billion, one hundred three million, one hundred fourteen thousand, one hundred twenty-two".