1204372734021 has 24 divisors (see below), whose sum is σ = 1798499366144. Its totient is φ = 776041106400.

The previous prime is 1204372734017. The next prime is 1204372734029.

1204372734021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1204372734021 - 2² = 1204372734017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204372734029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11925661 + ... + 12026226.

Almost surely, 2^{1204372734021} is an apocalyptic number.

It is an amenable number.

1204372734021 is a deficient number, since it is larger than the sum of its proper divisors (594126632123).

1204372734021 is a wasteful number, since it uses less digits than its factorization.

1204372734021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23952081 (or 23952078 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 1204372734021 in words is "one trillion, two hundred four billion, three hundred seventy-two million, seven hundred thirty-four thousand, twenty-one".