12945706284 has 48 divisors (see below), whose sum is σ = 34571287296. Its totient is φ = 3693480000.

The previous prime is 12945706247. The next prime is 12945706303. The reversal of 12945706284 is 48260754921.

It is a super-2 number, since 2×12945706284² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51042 + ... + 168809.

It is an arithmetic number, because the mean of its divisors is an integer number (720235152).

Almost surely, 2^12945706284 is an apocalyptic number.

12945706284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12945706284 is an abundant number, since it is smaller than the sum of its proper divisors (21625581012).

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

12945706284 is a wasteful number, since it uses less digits than its factorization.

12945706284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220566 (or 220564 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 12945706284 in words is "twelve billion, nine hundred forty-five million, seven hundred six thousand, two hundred eighty-four".