12880299916 has 12 divisors (see below), whose sum is σ = 24589663560. Its totient is φ = 5854681760.

The previous prime is 12880299911. The next prime is 12880299923. The reversal of 12880299916 is 61999208821.

It is a super-2 number, since 2×12880299916² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12880299911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146367001 + ... + 146367088.

It is an arithmetic number, because the mean of its divisors is an integer number (2049138630).

Almost surely, 2^12880299916 is an apocalyptic number.

It is an amenable number.

12880299916 is a deficient number, since it is larger than the sum of its proper divisors (11709363644).

12880299916 is a wasteful number, since it uses less digits than its factorization.

12880299916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292734104 (or 292734102 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 12880299916 in words is "twelve billion, eight hundred eighty million, two hundred ninety-nine thousand, nine hundred sixteen".