12426543631002 has 32 divisors (see below), whose sum is σ = 26167773542400. Its totient is φ = 3923177314608.

The previous prime is 12426543630959. The next prime is 12426543631009. The reversal of 12426543631002 is 20013634562421.

It is a super-2 number, since 2×12426543631002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12426543631009) 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, 13358602 + ... + 14258517.

It is an arithmetic number, because the mean of its divisors is an integer number (817742923200).

Almost surely, 2^{12426543631002} is an apocalyptic number.

12426543631002 is an abundant number, since it is smaller than the sum of its proper divisors (13741229911398).

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

12426543631002 is a wasteful number, since it uses less digits than its factorization.

12426543631002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27621090.

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

The spelling of 12426543631002 in words is "twelve trillion, four hundred twenty-six billion, five hundred forty-three million, six hundred thirty-one thousand, two".