1222113212031 has 16 divisors (see below), whose sum is σ = 1630645153280. Its totient is φ = 814161896640.

The previous prime is 1222113212017. The next prime is 1222113212051. The reversal of 1222113212031 is 1302123112221.

It is not a de Polignac number, because 1222113212031 - 2⁷ = 1222113211903 is a prime.

It is a super-2 number, since 2×1222113212031² (a number of 25 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 = 1222113211989 and 1222113212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222113212051) 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, 29954676 + ... + 29995446.

It is an arithmetic number, because the mean of its divisors is an integer number (101915322080).

Almost surely, 2^{1222113212031} is an apocalyptic number.

1222113212031 is a deficient number, since it is larger than the sum of its proper divisors (408531941249).

1222113212031 is a wasteful number, since it uses less digits than its factorization.

1222113212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47646.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1222113212031 its reverse (1302123112221), we get a palindrome (2524236324252).

The spelling of 1222113212031 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, two hundred twelve thousand, thirty-one".