2212012031 has 4 divisors (see below), whose sum is σ = 2219997912. Its totient is φ = 2204026152.

The previous prime is 2212012021. The next prime is 2212012067. The reversal of 2212012031 is 1302102122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302102122 = 2 ⋅651051061.

It is a cyclic number.

It is not a de Polignac number, because 2212012031 - 2¹⁰ = 2212011007 is a prime.

It is a super-2 number, since 2×2212012031² = 9785994450577489922, 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 = 2212011997 and 2212012015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992525 + ... + 3993078.

It is an arithmetic number, because the mean of its divisors is an integer number (554999478).

Almost surely, 2^2212012031 is an apocalyptic number.

2212012031 is a deficient number, since it is larger than the sum of its proper divisors (7985881).

2212012031 is an equidigital number, since it uses as much as digits as its factorization.

2212012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985880.

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

The square root of 2212012031 is about 47032.0319675857. The cubic root of 2212012031 is about 1302.9542343127.

Adding to 2212012031 its reverse (1302102122), we get a palindrome (3514114153).

Subtracting from 2212012031 its reverse (1302102122), we obtain a palindrome (909909909).

The spelling of 2212012031 in words is "two billion, two hundred twelve million, twelve thousand, thirty-one".