12402852261 has 16 divisors (see below), whose sum is σ = 16574544000. Its totient is φ = 8249888768.

The previous prime is 12402852247. The next prime is 12402852311. The reversal of 12402852261 is 16225820421.

It is a cyclic number.

It is not a de Polignac number, because 12402852261 - 2¹⁸ = 12402590117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402852221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061165 + ... + 3065213.

It is an arithmetic number, because the mean of its divisors is an integer number (1035909000).

Almost surely, 2^12402852261 is an apocalyptic number.

It is an amenable number.

12402852261 is a deficient number, since it is larger than the sum of its proper divisors (4171691739).

12402852261 is a wasteful number, since it uses less digits than its factorization.

12402852261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 12402852261 in words is "twelve billion, four hundred two million, eight hundred fifty-two thousand, two hundred sixty-one".