12201315392 has 28 divisors (see below), whose sum is σ = 27670841280. Its totient is φ = 5229134976.

The previous prime is 12201315391. The next prime is 12201315407. The reversal of 12201315392 is 29351310221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×12201315392² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12201315391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13617092 + ... + 13617987.

Almost surely, 2^12201315392 is an apocalyptic number.

It is an amenable number.

12201315392 is an abundant number, since it is smaller than the sum of its proper divisors (15469525888).

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

12201315392 is an equidigital number, since it uses as much as digits as its factorization.

12201315392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27235098 (or 27235088 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 12201315392 in words is "twelve billion, two hundred one million, three hundred fifteen thousand, three hundred ninety-two".