4212220031 has 4 divisors (see below), whose sum is σ = 4212440232. Its totient is φ = 4211999832.

The previous prime is 4212220021. The next prime is 4212220079. The reversal of 4212220031 is 1300222124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4212220031 - 2⁶ = 4212219967 is a prime.

It is a super-2 number, since 2×4212220031² = 35485595179115281922, 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 = 4212219991 and 4212220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212220021) 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, 78356 + ... + 120681.

It is an arithmetic number, because the mean of its divisors is an integer number (1053110058).

Almost surely, 2^4212220031 is an apocalyptic number.

4212220031 is a deficient number, since it is larger than the sum of its proper divisors (220201).

4212220031 is a wasteful number, since it uses less digits than its factorization.

4212220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220200.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4212220031 is about 64901.6180923095. The cubic root of 4212220031 is about 1614.9919045433.

Adding to 4212220031 its reverse (1300222124), we get a palindrome (5512442155).

The spelling of 4212220031 in words is "four billion, two hundred twelve million, two hundred twenty thousand, thirty-one".