12223165031 has 16 divisors (see below), whose sum is σ = 15316646400. Its totient is φ = 9476184480.

The previous prime is 12223165013. The next prime is 12223165039. The reversal of 12223165031 is 13056132221.

It is a happy number.

It is not a de Polignac number, because 12223165031 - 2¹⁰ = 12223164007 is a prime.

It is a super-2 number, since 2×12223165031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223165039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387731 + ... + 418068.

It is an arithmetic number, because the mean of its divisors is an integer number (957290400).

Almost surely, 2^12223165031 is an apocalyptic number.

12223165031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12223165031 is a deficient number, since it is larger than the sum of its proper divisors (3093481369).

12223165031 is a wasteful number, since it uses less digits than its factorization.

12223165031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806014.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12223165031 its reverse (13056132221), we get a palindrome (25279297252).

The spelling of 12223165031 in words is "twelve billion, two hundred twenty-three million, one hundred sixty-five thousand, thirty-one".