12402111152 has 40 divisors (see below), whose sum is σ = 25332399456. Its totient is φ = 5870278656.

The previous prime is 12402111103. The next prime is 12402111173. The reversal of 12402111152 is 25111120421.

It is a super-2 number, since 2×12402111152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138023 + ... + 209414.

Almost surely, 2^12402111152 is an apocalyptic number.

It is an amenable number.

12402111152 is an abundant number, since it is smaller than the sum of its proper divisors (12930288304).

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

12402111152 is a wasteful number, since it uses less digits than its factorization.

12402111152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347565 (or 347559 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 12402111152 its reverse (25111120421), we get a palindrome (37513231573).

The spelling of 12402111152 in words is "twelve billion, four hundred two million, one hundred eleven thousand, one hundred fifty-two".