31212102122002 has 16 divisors (see below), whose sum is σ = 47177965340352. Its totient is φ = 15486125906160.

The previous prime is 31212102121999. The next prime is 31212102122017. The reversal of 31212102122002 is 20022120121213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072368 + ... + 8168164.

It is an arithmetic number, because the mean of its divisors is an integer number (2948622833772).

Almost surely, 2^{31212102122002} is an apocalyptic number.

31212102122002 is a deficient number, since it is larger than the sum of its proper divisors (15965863218350).

31212102122002 is a wasteful number, since it uses less digits than its factorization.

31212102122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115473.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31212102122002 its reverse (20022120121213), we get a palindrome (51234222243215).

The spelling of 31212102122002 in words is "thirty-one trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two".