1204872814721 has 16 divisors (see below), whose sum is σ = 1246539264000. Its totient is φ = 1163382521040.

The previous prime is 1204872814643. The next prime is 1204872814759. The reversal of 1204872814721 is 1274182784021.

It is a cyclic number.

It is not a de Polignac number, because 1204872814721 - 2¹⁸ = 1204872552577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1204872817721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90131180 + ... + 90144546.

It is an arithmetic number, because the mean of its divisors is an integer number (77908704000).

Almost surely, 2^{1204872814721} is an apocalyptic number.

It is an amenable number.

1204872814721 is a deficient number, since it is larger than the sum of its proper divisors (41666449279).

1204872814721 is a wasteful number, since it uses less digits than its factorization.

1204872814721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 1204872814721 in words is "one trillion, two hundred four billion, eight hundred seventy-two million, eight hundred fourteen thousand, seven hundred twenty-one".