12601440402 has 16 divisors (see below), whose sum is σ = 25486060320. Its totient is φ = 4153283552.

The previous prime is 12601440377. The next prime is 12601440403. The reversal of 12601440402 is 20404410621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12601440403) 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, 11798568 + ... + 11799635.

It is an arithmetic number, because the mean of its divisors is an integer number (1592878770).

Almost surely, 2^12601440402 is an apocalyptic number.

12601440402 is an abundant number, since it is smaller than the sum of its proper divisors (12884619918).

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

12601440402 is a wasteful number, since it uses less digits than its factorization.

12601440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598297.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 12601440402 in words is "twelve billion, six hundred one million, four hundred forty thousand, four hundred two".