1200122102239 has 2 divisors, whose sum is σ = 1200122102240. Its totient is φ = 1200122102238.

The previous prime is 1200122102227. The next prime is 1200122102281. The reversal of 1200122102239 is 9322012210021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200122102239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200122102219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600061051119 + 600061051120.

It is an arithmetic number, because the mean of its divisors is an integer number (600061051120).

Almost surely, 2^{1200122102239} is an apocalyptic number.

1200122102239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200122102239 is an equidigital number, since it uses as much as digits as its factorization.

1200122102239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1200122102239 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred two thousand, two hundred thirty-nine".