12631115110202 has 4 divisors (see below), whose sum is σ = 18946672665306. Its totient is φ = 6315557555100.

The previous prime is 12631115110169. The next prime is 12631115110219. The reversal of 12631115110202 is 20201151113621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12624938879281 + 6176230921 = 3553159^2 + 78589^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157778777549 + ... + 3157778777552.

Almost surely, 2^{12631115110202} is an apocalyptic number.

12631115110202 is a deficient number, since it is larger than the sum of its proper divisors (6315557555104).

12631115110202 is an equidigital number, since it uses as much as digits as its factorization.

12631115110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315557555103.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 12631115110202 its reverse (20201151113621), we get a palindrome (32832266223823).

The spelling of 12631115110202 in words is "twelve trillion, six hundred thirty-one billion, one hundred fifteen million, one hundred ten thousand, two hundred two".