12213503552 has 14 divisors (see below), whose sum is σ = 24236171238. Its totient is φ = 6106751744.

The previous prime is 12213503543. The next prime is 12213503573. The reversal of 12213503552 is 25530531221.

It can be written as a sum of positive squares in only one way, i.e., 6622053376 + 5591450176 = 81376^2 + 74776^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95417933 + ... + 95418060.

Almost surely, 2^12213503552 is an apocalyptic number.

It is an amenable number.

12213503552 is a deficient number, since it is larger than the sum of its proper divisors (12022667686).

12213503552 is an equidigital number, since it uses as much as digits as its factorization.

12213503552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190836005 (or 190835995 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 12213503552 in words is "twelve billion, two hundred thirteen million, five hundred three thousand, five hundred fifty-two".