1212020102039 has 2 divisors, whose sum is σ = 1212020102040. Its totient is φ = 1212020102038.

The previous prime is 1212020102021. The next prime is 1212020102077. The reversal of 1212020102039 is 9302010202121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212020102039 - 2³² = 1207725134743 is a prime.

It is a super-3 number, since 3×1212020102039³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212020102099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606010051019 + 606010051020.

It is an arithmetic number, because the mean of its divisors is an integer number (606010051020).

Almost surely, 2^{1212020102039} is an apocalyptic number.

1212020102039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212020102039 is an equidigital number, since it uses as much as digits as its factorization.

1212020102039 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 1212020102039 in words is "one trillion, two hundred twelve billion, twenty million, one hundred two thousand, thirty-nine".