1312122254653 has 12 divisors (see below), whose sum is σ = 1547255153820. Its totient is φ = 1109269691712.

The previous prime is 1312122254593. The next prime is 1312122254693. The reversal of 1312122254653 is 3564522212131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 646065503524 + 666056751129 = 803782^2 + 816123^2 .

It is not a de Polignac number, because 1312122254653 - 2⁹ = 1312122254141 is a prime.

It is a super-2 number, since 2×1312122254653² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312122254693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183407418 + ... + 183414571.

It is an arithmetic number, because the mean of its divisors is an integer number (128937929485).

Almost surely, 2^{1312122254653} is an apocalyptic number.

It is an amenable number.

1312122254653 is a deficient number, since it is larger than the sum of its proper divisors (235132899167).

1312122254653 is an equidigital number, since it uses as much as digits as its factorization.

1312122254653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366822076 (or 366822069 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 1312122254653 its reverse (3564522212131), we get a palindrome (4876644466784).

The spelling of 1312122254653 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, two hundred fifty-four thousand, six hundred fifty-three".