120021412999 has 2 divisors, whose sum is σ = 120021413000. Its totient is φ = 120021412998.

The previous prime is 120021412961. The next prime is 120021413009. The reversal of 120021412999 is 999214120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120021412999 - 2¹⁷ = 120021281927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021412909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010706499 + 60010706500.

It is an arithmetic number, because the mean of its divisors is an integer number (60010706500).

Almost surely, 2^120021412999 is an apocalyptic number.

120021412999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021412999 is an equidigital number, since it uses as much as digits as its factorization.

120021412999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 120021412999 in words is "one hundred twenty billion, twenty-one million, four hundred twelve thousand, nine hundred ninety-nine".