1210420112999 has 2 divisors, whose sum is σ = 1210420113000. Its totient is φ = 1210420112998.

The previous prime is 1210420112983. The next prime is 1210420113109. The reversal of 1210420112999 is 9992110240121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210420112999 - 2⁴ = 1210420112983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210420112969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605210056499 + 605210056500.

It is an arithmetic number, because the mean of its divisors is an integer number (605210056500).

Almost surely, 2^{1210420112999} is an apocalyptic number.

1210420112999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210420112999 is an equidigital number, since it uses as much as digits as its factorization.

1210420112999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 1210420112999 in words is "one trillion, two hundred ten billion, four hundred twenty million, one hundred twelve thousand, nine hundred ninety-nine".