12223212031 has 8 divisors (see below), whose sum is σ = 12887540720. Its totient is φ = 11560983552.

The previous prime is 12223212017. The next prime is 12223212047. The reversal of 12223212031 is 13021232221.

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 12223212031 - 2¹⁵ = 12223179263 is a prime.

It is a super-2 number, since 2×12223212031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223212091) 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, 513090 + ... + 536383.

It is an arithmetic number, because the mean of its divisors is an integer number (1610942590).

Almost surely, 2^12223212031 is an apocalyptic number.

12223212031 is a deficient number, since it is larger than the sum of its proper divisors (664328689).

12223212031 is a wasteful number, since it uses less digits than its factorization.

12223212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050105.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12223212031 its reverse (13021232221), we get a palindrome (25244444252).

The spelling of 12223212031 in words is "twelve billion, two hundred twenty-three million, two hundred twelve thousand, thirty-one".