1210013099 has 4 divisors (see below), whose sum is σ = 1228073064. Its totient is φ = 1191953136.

The previous prime is 1210013087. The next prime is 1210013137. The reversal of 1210013099 is 9903100121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210013099 - 2⁴ = 1210013083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210010099) 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, 9029882 + ... + 9030015.

It is an arithmetic number, because the mean of its divisors is an integer number (307018266).

Almost surely, 2^1210013099 is an apocalyptic number.

1210013099 is a deficient number, since it is larger than the sum of its proper divisors (18059965).

1210013099 is an equidigital number, since it uses as much as digits as its factorization.

1210013099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18059964.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1210013099 is about 34785.2425462293. The cubic root of 1210013099 is about 1065.6060820210.

The spelling of 1210013099 in words is "one billion, two hundred ten million, thirteen thousand, ninety-nine".