12223015031 has 4 divisors (see below), whose sum is σ = 12243627792. Its totient is φ = 12202402272.

The previous prime is 12223015027. The next prime is 12223015061. The reversal of 12223015031 is 13051032221.

12223015031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13051032221 = 5527 ⋅2361323.

It is a cyclic number.

It is not a de Polignac number, because 12223015031 - 2² = 12223015027 is a prime.

It is a super-2 number, since 2×12223015031² (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 = 12223014994 and 12223015012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223015061) 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 3 ways as a sum of consecutive naturals, for example, 10305491 + ... + 10306676.

It is an arithmetic number, because the mean of its divisors is an integer number (3060906948).

Almost surely, 2^12223015031 is an apocalyptic number.

12223015031 is a deficient number, since it is larger than the sum of its proper divisors (20612761).

12223015031 is an equidigital number, since it uses as much as digits as its factorization.

12223015031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20612760.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 12223015031 its reverse (13051032221), we get a palindrome (25274047252).

The spelling of 12223015031 in words is "twelve billion, two hundred twenty-three million, fifteen thousand, thirty-one".