3120001321999 has 2 divisors, whose sum is σ = 3120001322000. Its totient is φ = 3120001321998.

The previous prime is 3120001321973. The next prime is 3120001322003. The reversal of 3120001321999 is 9991231000213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3120001321999 - 2³³ = 3111411387407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120001321499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560000660999 + 1560000661000.

It is an arithmetic number, because the mean of its divisors is an integer number (1560000661000).

Almost surely, 2^{3120001321999} is an apocalyptic number.

3120001321999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120001321999 is an equidigital number, since it uses as much as digits as its factorization.

3120001321999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 3120001321999 in words is "three trillion, one hundred twenty billion, one million, three hundred twenty-one thousand, nine hundred ninety-nine".