12102131040 has 96 divisors (see below), whose sum is σ = 38144203776. Its totient is φ = 3225331200.

The previous prime is 12102131011. The next prime is 12102131047. The reversal of 12102131040 is 4013120121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102131047) 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, 930019 + ... + 942941.

It is an arithmetic number, because the mean of its divisors is an integer number (397335456).

Almost surely, 2^12102131040 is an apocalyptic number.

12102131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102131040 is an abundant number, since it is smaller than the sum of its proper divisors (26042072736).

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

12102131040 is a wasteful number, since it uses less digits than its factorization.

12102131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892 (or 14884 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12102131040 its reverse (4013120121), we get a palindrome (16115251161).

The spelling of 12102131040 in words is "twelve billion, one hundred two million, one hundred thirty-one thousand, forty".