1201120101239 has 2 divisors, whose sum is σ = 1201120101240. Its totient is φ = 1201120101238.

The previous prime is 1201120101191. The next prime is 1201120101253. The reversal of 1201120101239 is 9321010211021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201120101239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201120106239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560050619 + 600560050620.

It is an arithmetic number, because the mean of its divisors is an integer number (600560050620).

Almost surely, 2^{1201120101239} is an apocalyptic number.

1201120101239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120101239 is an equidigital number, since it uses as much as digits as its factorization.

1201120101239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 1201120101239 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred one thousand, two hundred thirty-nine".