12002215432 has 16 divisors (see below), whose sum is σ = 22512062700. Its totient is φ = 5998998720.

The previous prime is 12002215411. The next prime is 12002215447. The reversal of 12002215432 is 23451220021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11960921956 + 41293476 = 109366^2 + 6426^2 .

It is a super-2 number, since 2×12002215432² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239307 + ... + 285082.

Almost surely, 2^12002215432 is an apocalyptic number.

It is an amenable number.

12002215432 is a deficient number, since it is larger than the sum of its proper divisors (10509847268).

12002215432 is a wasteful number, since it uses less digits than its factorization.

12002215432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527256 (or 527252 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12002215432 its reverse (23451220021), we get a palindrome (35453435453).

The spelling of 12002215432 in words is "twelve billion, two million, two hundred fifteen thousand, four hundred thirty-two".