631212401401225 has 24 divisors (see below), whose sum is σ = 894785726278400. Its totient is φ = 432701886625920.

The previous prime is 631212401401201. The next prime is 631212401401331. The reversal of 631212401401225 is 522104104212136.

It is not a de Polignac number, because 631212401401225 - 2¹⁷ = 631212401270153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538889700 + ... + 540059749.

Almost surely, 2^{631212401401225} is an apocalyptic number.

It is an amenable number.

631212401401225 is a deficient number, since it is larger than the sum of its proper divisors (263573324877175).

631212401401225 is a wasteful number, since it uses less digits than its factorization.

631212401401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078952809 (or 1078952804 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 631212401401225 in words is "six hundred thirty-one trillion, two hundred twelve billion, four hundred one million, four hundred one thousand, two hundred twenty-five".