12813812273388 has 192 divisors, whose sum is σ = 36758161778688. Its totient is φ = 3394734520320.

The previous prime is 12813812273371. The next prime is 12813812273461. The reversal of 12813812273388 is 88337221831821.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11921106 + ... + 12951462.

It is an arithmetic number, because the mean of its divisors is an integer number (191448759264).

Almost surely, 2^{12813812273388} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12813812273388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18379080889344).

12813812273388 is an abundant number, since it is smaller than the sum of its proper divisors (23944349505300).

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

12813812273388 is a wasteful number, since it uses less digits than its factorization.

12813812273388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030592 (or 1030590 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 57.

The spelling of 12813812273388 in words is "twelve trillion, eight hundred thirteen billion, eight hundred twelve million, two hundred seventy-three thousand, three hundred eighty-eight".