12213223031 has 8 divisors (see below), whose sum is σ = 12953156064. Its totient is φ = 11490700320.

The previous prime is 12213223021. The next prime is 12213223039. The reversal of 12213223031 is 13032231221.

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 12213223031 - 2¹⁴ = 12213206647 is a prime.

It is a super-2 number, since 2×12213223031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213222994 and 12213223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213223039) 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, 4351136 + ... + 4353941.

It is an arithmetic number, because the mean of its divisors is an integer number (1619144508).

Almost surely, 2^12213223031 is an apocalyptic number.

12213223031 is a deficient number, since it is larger than the sum of its proper divisors (739933033).

12213223031 is an equidigital number, since it uses as much as digits as its factorization.

12213223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705161.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12213223031 its reverse (13032231221), we get a palindrome (25245454252).

The spelling of 12213223031 in words is "twelve billion, two hundred thirteen million, two hundred twenty-three thousand, thirty-one".