1012201220039 has 2 divisors, whose sum is σ = 1012201220040. Its totient is φ = 1012201220038.

The previous prime is 1012201219993. The next prime is 1012201220059. The reversal of 1012201220039 is 9300221022101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012201220039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012201219996 and 1012201220023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012201220059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100610019 + 506100610020.

It is an arithmetic number, because the mean of its divisors is an integer number (506100610020).

Almost surely, 2^{1012201220039} is an apocalyptic number.

1012201220039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012201220039 is an equidigital number, since it uses as much as digits as its factorization.

1012201220039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1012201220039 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty thousand, thirty-nine".