12132421402 has 8 divisors (see below), whose sum is σ = 18202672800. Its totient is φ = 6064863804.

The previous prime is 12132421351. The next prime is 12132421447. The reversal of 12132421402 is 20412423121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662152 + ... + 680227.

It is an arithmetic number, because the mean of its divisors is an integer number (2275334100).

Almost surely, 2^12132421402 is an apocalyptic number.

12132421402 is a deficient number, since it is larger than the sum of its proper divisors (6070251398).

12132421402 is a wasteful number, since it uses less digits than its factorization.

12132421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346900.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12132421402 its reverse (20412423121), we get a palindrome (32544844523).

The spelling of 12132421402 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-one thousand, four hundred two".