12880129948 has 24 divisors (see below), whose sum is σ = 26648546400. Its totient is φ = 5329708608.

The previous prime is 12880129943. The next prime is 12880129949. The reversal of 12880129948 is 84992108821.

It is a junction number, because it is equal to n+sod(n) for n = 12880129895 and 12880129904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880129943) 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, 7930303 + ... + 7931926.

It is an arithmetic number, because the mean of its divisors is an integer number (1110356100).

Almost surely, 2^12880129948 is an apocalyptic number.

It is an amenable number.

12880129948 is an abundant number, since it is smaller than the sum of its proper divisors (13768416452).

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

12880129948 is a wasteful number, since it uses less digits than its factorization.

12880129948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862269 (or 15862267 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 12880129948 in words is "twelve billion, eight hundred eighty million, one hundred twenty-nine thousand, nine hundred forty-eight".