3200111131200 has 84 divisors (see below), whose sum is σ = 10499031285360. Its totient is φ = 853362967040.

The previous prime is 3200111131187. The next prime is 3200111131207. The reversal of 3200111131200 is 21311110023.

It is a happy number.

It is a super-2 number, since 2×3200111131200² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3200111131200.

It is not an unprimeable number, because it can be changed into a prime (3200111131207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333340110 + ... + 333349709.

Almost surely, 2^{3200111131200} is an apocalyptic number.

3200111131200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3200111131200 is an abundant number, since it is smaller than the sum of its proper divisors (7298920154160).

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

3200111131200 is a wasteful number, since it uses less digits than its factorization.

3200111131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666689844 (or 666689829 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 3200111131200 its reverse (21311110023), we get a palindrome (3221422241223).

The spelling of 3200111131200 in words is "three trillion, two hundred billion, one hundred eleven million, one hundred thirty-one thousand, two hundred".