2131200012 has 24 divisors (see below), whose sum is σ = 4975338816. Its totient is φ = 710037328.

The previous prime is 2131200011. The next prime is 2131200103. The reversal of 2131200012 is 2100021312.

It is a super-2 number, since 2×2131200012² = 9084026982297600288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2131200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20298 + ... + 68369.

It is an arithmetic number, because the mean of its divisors is an integer number (207305784).

Almost surely, 2^2131200012 is an apocalyptic number.

It is an amenable number.

2131200012 is an abundant number, since it is smaller than the sum of its proper divisors (2844138804).

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

2131200012 is a wasteful number, since it uses less digits than its factorization.

2131200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90677 (or 90675 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2131200012 is about 46164.9218779800. The cubic root of 2131200012 is about 1286.8899323814.

Adding to 2131200012 its reverse (2100021312), we get a palindrome (4231221324).

The spelling of 2131200012 in words is "two billion, one hundred thirty-one million, two hundred thousand, twelve".