12470978946 has 16 divisors (see below), whose sum is σ = 24972722208. Its totient is φ = 4151865600.

The previous prime is 12470978941. The next prime is 12470979029. The reversal of 12470978946 is 64987907421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12470978941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276575 + ... + 1286306.

It is an arithmetic number, because the mean of its divisors is an integer number (1560795138).

Almost surely, 2^12470978946 is an apocalyptic number.

12470978946 is an abundant number, since it is smaller than the sum of its proper divisors (12501743262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12470978946 is a wasteful number, since it uses less digits than its factorization.

12470978946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563697.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 12470978946 in words is "twelve billion, four hundred seventy million, nine hundred seventy-eight thousand, nine hundred forty-six".