12031011995 has 8 divisors (see below), whose sum is σ = 14454804240. Its totient is φ = 9613083040.

The previous prime is 12031011961. The next prime is 12031012027. The reversal of 12031011995 is 59911013021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12031011995 - 2⁶ = 12031011931 is a prime.

It is a super-3 number, since 3×12031011995³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461305 + ... + 1469514.

It is an arithmetic number, because the mean of its divisors is an integer number (1806850530).

Almost surely, 2^12031011995 is an apocalyptic number.

12031011995 is a deficient number, since it is larger than the sum of its proper divisors (2423792245).

12031011995 is an equidigital number, since it uses as much as digits as its factorization.

12031011995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931645.

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 12031011995 in words is "twelve billion, thirty-one million, eleven thousand, nine hundred ninety-five".