813348133412 has 12 divisors (see below), whose sum is σ = 1423376887296. Its totient is φ = 406669022760.

The previous prime is 813348133361. The next prime is 813348133471. The reversal of 813348133412 is 214331843318.

It is a happy number.

It is a super-2 number, since 2×813348133412² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 813348133412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885764 + ... + 1552827.

It is an arithmetic number, because the mean of its divisors is an integer number (118614740608).

Almost surely, 2^813348133412 is an apocalyptic number.

It is an amenable number.

813348133412 is a deficient number, since it is larger than the sum of its proper divisors (610028753884).

813348133412 is a wasteful number, since it uses less digits than its factorization.

813348133412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521978 (or 2521976 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 813348133412 in words is "eight hundred thirteen billion, three hundred forty-eight million, one hundred thirty-three thousand, four hundred twelve".