12131220131102 has 32 divisors (see below), whose sum is σ = 19268306641920. Its totient is φ = 5712317484480.

The previous prime is 12131220131089. The next prime is 12131220131131. The reversal of 12131220131102 is 20113102213121.

It is a congruent number.

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, 4819658 + ... + 6891410.

It is an arithmetic number, because the mean of its divisors is an integer number (602134582560).

Almost surely, 2^{12131220131102} is an apocalyptic number.

12131220131102 is a deficient number, since it is larger than the sum of its proper divisors (7137086510818).

12131220131102 is a wasteful number, since it uses less digits than its factorization.

12131220131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072688.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12131220131102 its reverse (20113102213121), we get a palindrome (32244322344223).

The spelling of 12131220131102 in words is "twelve trillion, one hundred thirty-one billion, two hundred twenty million, one hundred thirty-one thousand, one hundred two".