13012222221031 has 16 divisors (see below), whose sum is σ = 14287697487648. Its totient is φ = 11752271795200.

The previous prime is 13012222220981. The next prime is 13012222221041.

13012222221031 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13012222221031 - 2⁷ = 13012222220903 is a prime.

It is a super-2 number, since 2×13012222221031² (a number of 27 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 = 13012222220993 and 13012222221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012222221041) 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, 77955 + ... + 5102011.

It is an arithmetic number, because the mean of its divisors is an integer number (892981092978).

Almost surely, 2^{13012222221031} is an apocalyptic number.

13012222221031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13012222221031 is a deficient number, since it is larger than the sum of its proper divisors (1275475266617).

13012222221031 is a wasteful number, since it uses less digits than its factorization.

13012222221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025602.

The product of its (nonzero) digits is 576, while the sum is 22.

Multiplying 13012222221031 by its sum of digits (22), we get a palindrome (286268888862682).

It can be divided in two parts, 1301222 and 2221031, that added together give a palindrome (3522253).

The spelling of 13012222221031 in words is "thirteen trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, thirty-one".