1313222153512 has 64 divisors (see below), whose sum is σ = 2675957760000. Its totient is φ = 601882280640.

The previous prime is 1313222153491. The next prime is 1313222153597. The reversal of 1313222153512 is 2153512223131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31639189 + ... + 31680667.

It is an arithmetic number, because the mean of its divisors is an integer number (41811840000).

Almost surely, 2^{1313222153512} is an apocalyptic number.

It is an amenable number.

1313222153512 is an abundant number, since it is smaller than the sum of its proper divisors (1362735606488).

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

1313222153512 is a wasteful number, since it uses less digits than its factorization.

1313222153512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48254 (or 48250 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

Adding to 1313222153512 its reverse (2153512223131), we get a palindrome (3466734376643).

The spelling of 1313222153512 in words is "one trillion, three hundred thirteen billion, two hundred twenty-two million, one hundred fifty-three thousand, five hundred twelve".