2120012331 has 8 divisors (see below), whose sum is σ = 2841483264. Its totient is φ = 1405941480.

The previous prime is 2120012287. The next prime is 2120012333. The reversal of 2120012331 is 1332100212.

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

It is not a de Polignac number, because 2120012331 - 2⁷ = 2120012203 is a prime.

It is a super-2 number, since 2×2120012331² = 8988904567184107122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120012331.

It is not an unprimeable number, because it can be changed into a prime (2120012333) 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, 1849351 + ... + 1850496.

It is an arithmetic number, because the mean of its divisors is an integer number (355185408).

Almost surely, 2^2120012331 is an apocalyptic number.

2120012331 is a deficient number, since it is larger than the sum of its proper divisors (721470933).

2120012331 is a wasteful number, since it uses less digits than its factorization.

2120012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700041.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120012331 is about 46043.5916387938. The cubic root of 2120012331 is about 1284.6341483984.

Adding to 2120012331 its reverse (1332100212), we get a palindrome (3452112543).

The spelling of 2120012331 in words is "two billion, one hundred twenty million, twelve thousand, three hundred thirty-one".