12402707881 has 32 divisors (see below), whose sum is σ = 13997772800. Its totient is φ = 10939199040.

The previous prime is 12402707879. The next prime is 12402707893. The reversal of 12402707881 is 18870720421.

It is a cyclic number.

It is not a de Polignac number, because 12402707881 - 2¹ = 12402707879 is a prime.

It is a super-2 number, since 2×12402707881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12402707851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1693255 + ... + 1700563.

It is an arithmetic number, because the mean of its divisors is an integer number (437430400).

Almost surely, 2^12402707881 is an apocalyptic number.

It is an amenable number.

12402707881 is a deficient number, since it is larger than the sum of its proper divisors (1595064919).

12402707881 is a wasteful number, since it uses less digits than its factorization.

12402707881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469.

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 12402707881 in words is "twelve billion, four hundred two million, seven hundred seven thousand, eight hundred eighty-one".