1313212132123 has 8 divisors (see below), whose sum is σ = 1313970564816. Its totient is φ = 1312453843200.

The previous prime is 1313212132121. The next prime is 1313212132163. The reversal of 1313212132123 is 3212312123131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313212132123 - 2¹ = 1313212132121 is a prime.

It is a super-2 number, since 2×1313212132123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313212132121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22036215 + ... + 22095727.

It is an arithmetic number, because the mean of its divisors is an integer number (164246320602).

Almost surely, 2^{1313212132123} is an apocalyptic number.

1313212132123 is a deficient number, since it is larger than the sum of its proper divisors (758432693).

1313212132123 is a wasteful number, since it uses less digits than its factorization.

1313212132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71885.

The product of its digits is 1296, while the sum is 25.

Adding to 1313212132123 its reverse (3212312123131), we get a palindrome (4525524255254).

The spelling of 1313212132123 in words is "one trillion, three hundred thirteen billion, two hundred twelve million, one hundred thirty-two thousand, one hundred twenty-three".