12712055402 has 16 divisors (see below), whose sum is σ = 19963268640. Its totient is φ = 6062914032.

The previous prime is 12712055399. The next prime is 12712055417. The reversal of 12712055402 is 20455021721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 1315508 + ... + 1325135.

It is an arithmetic number, because the mean of its divisors is an integer number (1247704290).

Almost surely, 2^12712055402 is an apocalyptic number.

12712055402 is a deficient number, since it is larger than the sum of its proper divisors (7251213238).

12712055402 is a wasteful number, since it uses less digits than its factorization.

12712055402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640757.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 12712055402 in words is "twelve billion, seven hundred twelve million, fifty-five thousand, four hundred two".