12132521402 has 8 divisors (see below), whose sum is σ = 19156612800. Its totient is φ = 5746983804.

The previous prime is 12132521399. The next prime is 12132521407. The reversal of 12132521402 is 20412523121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12132521407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159638402 + ... + 159638477.

It is an arithmetic number, because the mean of its divisors is an integer number (2394576600).

Almost surely, 2^12132521402 is an apocalyptic number.

12132521402 is a deficient number, since it is larger than the sum of its proper divisors (7024091398).

12132521402 is a wasteful number, since it uses less digits than its factorization.

12132521402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319276900.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 12132521402 in words is "twelve billion, one hundred thirty-two million, five hundred twenty-one thousand, four hundred two".