1012010999 has 4 divisors (see below), whose sum is σ = 1046907960. Its totient is φ = 977114040.

The previous prime is 1012010981. The next prime is 1012011023. The reversal of 1012010999 is 9990102101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9990102101 = 7 ⋅1427157443.

It is a cyclic number.

It is not a de Polignac number, because 1012010999 - 2²⁴ = 995233783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012010959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17448437 + ... + 17448494.

It is an arithmetic number, because the mean of its divisors is an integer number (261726990).

Almost surely, 2^1012010999 is an apocalyptic number.

1012010999 is a deficient number, since it is larger than the sum of its proper divisors (34896961).

1012010999 is an equidigital number, since it uses as much as digits as its factorization.

1012010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34896960.

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 1012010999 is about 31812.1203160053. The cubic root of 1012010999 is about 1003.9877431005.

The spelling of 1012010999 in words is "one billion, twelve million, ten thousand, nine hundred ninety-nine".