12500535402 has 12 divisors (see below), whose sum is σ = 27084493410. Its totient is φ = 4166845128.

The previous prime is 12500535367. The next prime is 12500535407. The reversal of 12500535402 is 20453500521.

It is a happy number.

12500535402 is a `hidden beast` number, since 1 + 250 + 0 + 5 + 3 + 5 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12469965561 + 30569841 = 111669^2 + 5529^2 .

It is not an unprimeable number, because it can be changed into a prime (12500535407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347237077 + ... + 347237112.

Almost surely, 2^12500535402 is an apocalyptic number.

12500535402 is an abundant number, since it is smaller than the sum of its proper divisors (14583958008).

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

12500535402 is a wasteful number, since it uses less digits than its factorization.

12500535402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694474197 (or 694474194 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 12500535402 in words is "twelve billion, five hundred million, five hundred thirty-five thousand, four hundred two".