12402632642 has 16 divisors (see below), whose sum is σ = 19701522432. Its totient is φ = 5835577920.

The previous prime is 12402632633. The next prime is 12402632651. The reversal of 12402632642 is 24623620421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12402632633) and next prime (12402632651).

It is a junction number, because it is equal to n+sod(n) for n = 12402632599 and 12402632608.

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, 208583 + ... + 261365.

It is an arithmetic number, because the mean of its divisors is an integer number (1231345152).

Almost surely, 2^12402632642 is an apocalyptic number.

12402632642 is a deficient number, since it is larger than the sum of its proper divisors (7298889790).

12402632642 is a wasteful number, since it uses less digits than its factorization.

12402632642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59713.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 12402632642 in words is "twelve billion, four hundred two million, six hundred thirty-two thousand, six hundred forty-two".