12200021001232 has 20 divisors (see below), whose sum is σ = 23637598074576. Its totient is φ = 6099995691680.

The previous prime is 12200021001227. The next prime is 12200021001269. The reversal of 12200021001232 is 23210012000221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 9283107 + ... + 10515517.

Almost surely, 2^{12200021001232} is an apocalyptic number.

It is an amenable number.

12200021001232 is a deficient number, since it is larger than the sum of its proper divisors (11437577073344).

12200021001232 is a wasteful number, since it uses less digits than its factorization.

12200021001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851126 (or 1851120 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12200021001232 its reverse (23210012000221), we get a palindrome (35410033001453).

The spelling of 12200021001232 in words is "twelve trillion, two hundred billion, twenty-one million, one thousand, two hundred thirty-two".