1012130993 has 2 divisors, whose sum is σ = 1012130994. Its totient is φ = 1012130992.

The previous prime is 1012130981. The next prime is 1012131013. The reversal of 1012130993 is 3990312101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003178929 + 8952064 = 31673^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012130993 - 2²² = 1007936689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012130963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506065496 + 506065497.

It is an arithmetic number, because the mean of its divisors is an integer number (506065497).

Almost surely, 2^1012130993 is an apocalyptic number.

It is an amenable number.

1012130993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012130993 is an equidigital number, since it uses as much as digits as its factorization.

1012130993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1012130993 is about 31814.0062393909. The cubic root of 1012130993 is about 1004.0274224268.

It can be divided in two parts, 10121 and 30993, that added together give a palindrome (41114).

The spelling of 1012130993 in words is "one billion, twelve million, one hundred thirty thousand, nine hundred ninety-three".