12402422422 has 16 divisors (see below), whose sum is σ = 20576161872. Its totient is φ = 5569486560.

The previous prime is 12402422413. The next prime is 12402422443. The reversal of 12402422422 is 22422420421.

It is a congruent number.

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, 6445204 + ... + 6447127.

It is an arithmetic number, because the mean of its divisors is an integer number (1286010117).

Almost surely, 2^12402422422 is an apocalyptic number.

12402422422 is a deficient number, since it is larger than the sum of its proper divisors (8173739450).

12402422422 is a wasteful number, since it uses less digits than its factorization.

12402422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12892383.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 12402422422 its reverse (22422420421), we get a palindrome (34824842843).

The spelling of 12402422422 in words is "twelve billion, four hundred two million, four hundred twenty-two thousand, four hundred twenty-two".