12135914480 has 40 divisors (see below), whose sum is σ = 28252647072. Its totient is φ = 4848061184.

The previous prime is 12135914407. The next prime is 12135914489. The reversal of 12135914480 is 8441953121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135914489) 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, 36284 + ... + 159963.

Almost surely, 2^12135914480 is an apocalyptic number.

12135914480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12135914480 is an abundant number, since it is smaller than the sum of its proper divisors (16116732592).

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

12135914480 is a wasteful number, since it uses less digits than its factorization.

12135914480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197033 (or 197027 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 12135914480 in words is "twelve billion, one hundred thirty-five million, nine hundred fourteen thousand, four hundred eighty".