12220213031 has 8 divisors (see below), whose sum is σ = 13166860560. Its totient is φ = 11274512832.

The previous prime is 12220212973. The next prime is 12220213063. The reversal of 12220213031 is 13031202221.

12220213031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12220213031 - 2¹⁴ = 12220196647 is a prime.

It is a super-2 number, since 2×12220213031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220213081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209921 + ... + 261738.

It is an arithmetic number, because the mean of its divisors is an integer number (1645857570).

Almost surely, 2^12220213031 is an apocalyptic number.

12220213031 is a deficient number, since it is larger than the sum of its proper divisors (946647529).

12220213031 is a wasteful number, since it uses less digits than its factorization.

12220213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473665.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12220213031 its reverse (13031202221), we get a palindrome (25251415252).

The spelling of 12220213031 in words is "twelve billion, two hundred twenty million, two hundred thirteen thousand, thirty-one".