12387631902 has 16 divisors (see below), whose sum is σ = 24779718912. Its totient is φ = 4128468120.

The previous prime is 12387631901. The next prime is 12387631969. The reversal of 12387631902 is 20913678321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387631901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148924 + ... + 216687.

It is an arithmetic number, because the mean of its divisors is an integer number (1548732432).

Almost surely, 2^12387631902 is an apocalyptic number.

12387631902 is an abundant number, since it is smaller than the sum of its proper divisors (12392087010).

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

12387631902 is a wasteful number, since it uses less digits than its factorization.

12387631902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371263.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 12387631902 in words is "twelve billion, three hundred eighty-seven million, six hundred thirty-one thousand, nine hundred two".