4012120031 has 8 divisors (see below), whose sum is σ = 4141761360. Its totient is φ = 3884130432.

The previous prime is 4012119989. The next prime is 4012120081. The reversal of 4012120031 is 1300212104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012120031 is a prime.

It is a super-2 number, since 2×4012120031² = 32194214286302881922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012119988 and 4012120015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012120081) 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, 407996 + ... + 417713.

It is an arithmetic number, because the mean of its divisors is an integer number (517720170).

Almost surely, 2^4012120031 is an apocalyptic number.

4012120031 is a deficient number, since it is larger than the sum of its proper divisors (129641329).

4012120031 is a wasteful number, since it uses less digits than its factorization.

4012120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825865.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4012120031 is about 63341.2979895423. The cubic root of 4012120031 is about 1589.0027145357.

Adding to 4012120031 its reverse (1300212104), we get a palindrome (5312332135).

The spelling of 4012120031 in words is "four billion, twelve million, one hundred twenty thousand, thirty-one".