120240012569 has 2 divisors, whose sum is σ = 120240012570. Its totient is φ = 120240012568.

The previous prime is 120240012539. The next prime is 120240012583. The reversal of 120240012569 is 965210042021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70461048025 + 49778964544 = 265445^2 + 223112^2 .

It is a cyclic number.

It is not a de Polignac number, because 120240012569 - 2²⁸ = 119971577113 is a prime.

It is a super-2 number, since 2×120240012569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120240012539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60120006284 + 60120006285.

It is an arithmetic number, because the mean of its divisors is an integer number (60120006285).

Almost surely, 2^120240012569 is an apocalyptic number.

It is an amenable number.

120240012569 is a deficient number, since it is larger than the sum of its proper divisors (1).

120240012569 is an equidigital number, since it uses as much as digits as its factorization.

120240012569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 120240012569 in words is "one hundred twenty billion, two hundred forty million, twelve thousand, five hundred sixty-nine".