12631443502620 has 48 divisors (see below), whose sum is σ = 35646530347008. Its totient is φ = 3341862216000.

The previous prime is 12631443502523. The next prime is 12631443502621. The reversal of 12631443502620 is 2620534413621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631443502621) 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, 828827256 + ... + 828842495.

It is an arithmetic number, because the mean of its divisors is an integer number (742636048896).

Almost surely, 2^{12631443502620} is an apocalyptic number.

12631443502620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12631443502620 is an abundant number, since it is smaller than the sum of its proper divisors (23015086844388).

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

12631443502620 is a wasteful number, since it uses less digits than its factorization.

12631443502620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657669890 (or 1657669888 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 12631443502620 in words is "twelve trillion, six hundred thirty-one billion, four hundred forty-three million, five hundred two thousand, six hundred twenty".