1312224493660 has 12 divisors (see below), whose sum is σ = 2755671436728. Its totient is φ = 524889797456.

The previous prime is 1312224493633. The next prime is 1312224493669. The reversal of 1312224493660 is 663944222131.

It is a super-2 number, since 2×1312224493660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312224493669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32805612322 + ... + 32805612361.

It is an arithmetic number, because the mean of its divisors is an integer number (229639286394).

Almost surely, 2^{1312224493660} is an apocalyptic number.

1312224493660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312224493660 is an abundant number, since it is smaller than the sum of its proper divisors (1443446943068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312224493660 is a wasteful number, since it uses less digits than its factorization.

1312224493660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65611224692 (or 65611224690 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 1312224493660 in words is "one trillion, three hundred twelve billion, two hundred twenty-four million, four hundred ninety-three thousand, six hundred sixty".