12451431181204 has 24 divisors (see below), whose sum is σ = 22321655932968. Its totient is φ = 6073817756160.

The previous prime is 12451431181169. The next prime is 12451431181261. The reversal of 12451431181204 is 40218113415421.

It can be written as a sum of positive squares in 4 ways, for example, as 678284016400 + 11773147164804 = 823580^2 + 3431202^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25640784 + ... + 26121880.

It is an arithmetic number, because the mean of its divisors is an integer number (930068997207).

Almost surely, 2^{12451431181204} is an apocalyptic number.

It is an amenable number.

12451431181204 is a deficient number, since it is larger than the sum of its proper divisors (9870224751764).

12451431181204 is a wasteful number, since it uses less digits than its factorization.

12451431181204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638955 (or 638953 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 12451431181204 its reverse (40218113415421), we get a palindrome (52669544596625).

The spelling of 12451431181204 in words is "twelve trillion, four hundred fifty-one billion, four hundred thirty-one million, one hundred eighty-one thousand, two hundred four".