31122412212104 has 64 divisors (see below), whose sum is σ = 61085477168640. Its totient is φ = 14837295432960.

The previous prime is 31122412212053. The next prime is 31122412212113. The reversal of 31122412212104 is 40121221422113.

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, 149335334 + ... + 149543594.

It is an arithmetic number, because the mean of its divisors is an integer number (954460580760).

Almost surely, 2^{31122412212104} is an apocalyptic number.

It is an amenable number.

31122412212104 is a deficient number, since it is larger than the sum of its proper divisors (29963064956536).

31122412212104 is a wasteful number, since it uses less digits than its factorization.

31122412212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210870 (or 210866 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 31122412212104 its reverse (40121221422113), we get a palindrome (71243633634217).

The spelling of 31122412212104 in words is "thirty-one trillion, one hundred twenty-two billion, four hundred twelve million, two hundred twelve thousand, one hundred four".