1210797641099 has 4 divisors (see below), whose sum is σ = 1210836794400. Its totient is φ = 1210758487800.

The previous prime is 1210797641087. The next prime is 1210797641147. The reversal of 1210797641099 is 9901467970121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210797641099 - 2²⁸ = 1210529205643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210797641029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19530227 + ... + 19592124.

It is an arithmetic number, because the mean of its divisors is an integer number (302709198600).

Almost surely, 2^{1210797641099} is an apocalyptic number.

1210797641099 is a deficient number, since it is larger than the sum of its proper divisors (39153301).

1210797641099 is an equidigital number, since it uses as much as digits as its factorization.

1210797641099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39153300.

The product of its (nonzero) digits is 1714608, while the sum is 56.

The spelling of 1210797641099 in words is "one trillion, two hundred ten billion, seven hundred ninety-seven million, six hundred forty-one thousand, ninety-nine".