12420743962 has 16 divisors (see below), whose sum is σ = 20412093312. Its totient is φ = 5621559520.

The previous prime is 12420743957. The next prime is 12420743977. The reversal of 12420743962 is 26934702421.

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, 1206418 + ... + 1216669.

It is an arithmetic number, because the mean of its divisors is an integer number (1275755832).

Almost surely, 2^12420743962 is an apocalyptic number.

12420743962 is a deficient number, since it is larger than the sum of its proper divisors (7991349350).

12420743962 is a wasteful number, since it uses less digits than its factorization.

12420743962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423333.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 12420743962 in words is "twelve billion, four hundred twenty million, seven hundred forty-three thousand, nine hundred sixty-two".