1204136356356 has 96 divisors (see below), whose sum is σ = 3156241939200. Its totient is φ = 396978278400.

The previous prime is 1204136356333. The next prime is 1204136356363. The reversal of 1204136356356 is 6536536314021.

1204136356356 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 1 + 3 + 6 + 3 + 5 + 635 + 6 = 666.

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, 3573316 + ... + 3895748.

It is an arithmetic number, because the mean of its divisors is an integer number (32877520200).

Almost surely, 2^{1204136356356} 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 1204136356356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578120969600).

1204136356356 is an abundant number, since it is smaller than the sum of its proper divisors (1952105582844).

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

1204136356356 is a wasteful number, since it uses less digits than its factorization.

1204136356356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322826 (or 322818 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 1204136356356 in words is "one trillion, two hundred four billion, one hundred thirty-six million, three hundred fifty-six thousand, three hundred fifty-six".