12221004031 has 2 divisors, whose sum is σ = 12221004032. Its totient is φ = 12221004030.

The previous prime is 12221004011. The next prime is 12221004043. The reversal of 12221004031 is 13040012221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221004031 - 2⁷ = 12221003903 is a prime.

It is a super-2 number, since 2×12221004031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221003996 and 12221004014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221004011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110502015 + 6110502016.

It is an arithmetic number, because the mean of its divisors is an integer number (6110502016).

Almost surely, 2^12221004031 is an apocalyptic number.

12221004031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221004031 is an equidigital number, since it uses as much as digits as its factorization.

12221004031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12221004031 its reverse (13040012221), we get a palindrome (25261016252).

The spelling of 12221004031 in words is "twelve billion, two hundred twenty-one million, four thousand, thirty-one".