1322120012031 has 64 divisors (see below), whose sum is σ = 2422129239040. Its totient is φ = 694076584320.

The previous prime is 1322120012011. The next prime is 1322120012041. The reversal of 1322120012031 is 1302100212231.

It is not a de Polignac number, because 1322120012031 - 2⁶ = 1322120011967 is a prime.

It is a super-2 number, since 2×1322120012031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322120011995 and 1322120012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322120012011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 756700 + ... + 1793553.

It is an arithmetic number, because the mean of its divisors is an integer number (37845769360).

Almost surely, 2^{1322120012031} is an apocalyptic number.

1322120012031 is a deficient number, since it is larger than the sum of its proper divisors (1100009227009).

1322120012031 is a wasteful number, since it uses less digits than its factorization.

1322120012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550493 (or 2550487 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1322120012031 its reverse (1302100212231), we get a palindrome (2624220224262).

It can be divided in two parts, 13221200 and 12031, that added together give a palindrome (13233231).

The spelling of 1322120012031 in words is "one trillion, three hundred twenty-two billion, one hundred twenty million, twelve thousand, thirty-one".