11212500402 has 48 divisors (see below), whose sum is σ = 24714668160. Its totient is φ = 3672856800.

The previous prime is 11212500373. The next prime is 11212500421. The reversal of 11212500402 is 20400521211.

11212500402 is a `hidden beast` number, since 1 + 1 + 212 + 50 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378327 + ... + 1386437.

It is an arithmetic number, because the mean of its divisors is an integer number (514888920).

Almost surely, 2^11212500402 is an apocalyptic number.

11212500402 is an abundant number, since it is smaller than the sum of its proper divisors (13502167758).

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

11212500402 is a wasteful number, since it uses less digits than its factorization.

11212500402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439 (or 9436 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The spelling of 11212500402 in words is "eleven billion, two hundred twelve million, five hundred thousand, four hundred two".