12200912 has 10 divisors (see below), whose sum is σ = 23639298. Its totient is φ = 6100448.

The previous prime is 12200899. The next prime is 12200927. The reversal of 12200912 is 21900221.

12200912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 118336 = 3476^2 + 344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381263 + ... + 381294.

Almost surely, 2^12200912 is an apocalyptic number.

It is an amenable number.

12200912 is a deficient number, since it is larger than the sum of its proper divisors (11438386).

12200912 is an equidigital number, since it uses as much as digits as its factorization.

12200912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762565 (or 762559 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12200912 is about 3492.9803892951. The cubic root of 12200912 is about 230.2134879777.

The spelling of 12200912 in words is "twelve million, two hundred thousand, nine hundred twelve".