12131020213102 has 16 divisors (see below), whose sum is σ = 21890562791040. Its totient is φ = 4925376627768.

The previous prime is 12131020213087. The next prime is 12131020213129. The reversal of 12131020213102 is 20131202013121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12131020213102.

It is a congruent number.

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, 22802669308 + ... + 22802669839.

It is an arithmetic number, because the mean of its divisors is an integer number (1368160174440).

Almost surely, 2^{12131020213102} is an apocalyptic number.

12131020213102 is a deficient number, since it is larger than the sum of its proper divisors (9759542577938).

12131020213102 is a wasteful number, since it uses less digits than its factorization.

12131020213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45605339175.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12131020213102 its reverse (20131202013121), we get a palindrome (32262222226223).

The spelling of 12131020213102 in words is "twelve trillion, one hundred thirty-one billion, twenty million, two hundred thirteen thousand, one hundred two".