1012120232113 has 2 divisors, whose sum is σ = 1012120232114. Its totient is φ = 1012120232112.

The previous prime is 1012120232099. The next prime is 1012120232171. The reversal of 1012120232113 is 3112320212101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737997828624 + 274122403489 = 859068^2 + 523567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012120232113 - 2²¹ = 1012118134961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012120232173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060116056 + 506060116057.

It is an arithmetic number, because the mean of its divisors is an integer number (506060116057).

Almost surely, 2^{1012120232113} is an apocalyptic number.

It is an amenable number.

1012120232113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012120232113 is an equidigital number, since it uses as much as digits as its factorization.

1012120232113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1012120232113 its reverse (3112320212101), we get a palindrome (4124440444214).

The spelling of 1012120232113 in words is "one trillion, twelve billion, one hundred twenty million, two hundred thirty-two thousand, one hundred thirteen".