1213282536804 has 96 divisors (see below), whose sum is σ = 3402052093440. Its totient is φ = 371715381504.

The previous prime is 1213282536751. The next prime is 1213282536821. The reversal of 1213282536804 is 4086352823121.

1213282536804 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 282 + 5 + 368 + 0 + 4 = 666.

It is a super-2 number, since 2×1213282536804² (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 1213282536804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527292 + ... + 2181555.

It is an arithmetic number, because the mean of its divisors is an integer number (35438042640).

Almost surely, 2^{1213282536804} is an apocalyptic number.

It is an amenable number.

1213282536804 is an abundant number, since it is smaller than the sum of its proper divisors (2188769556636).

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

1213282536804 is a wasteful number, since it uses less digits than its factorization.

1213282536804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709106 (or 3709098 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1213282536804 in words is "one trillion, two hundred thirteen billion, two hundred eighty-two million, five hundred thirty-six thousand, eight hundred four".