1818209312130 has 32 divisors (see below), whose sum is σ = 4363867482624. Its totient is φ = 484837468416.

The previous prime is 1818209312123. The next prime is 1818209312173. The reversal of 1818209312130 is 312139028181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331282 + ... + 1935501.

It is an arithmetic number, because the mean of its divisors is an integer number (136370858832).

Almost surely, 2^{1818209312130} is an apocalyptic number.

1818209312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1818209312130 is an abundant number, since it is smaller than the sum of its proper divisors (2545658170494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1818209312130 is a wasteful number, since it uses less digits than its factorization.

1818209312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293530.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 1818209312130 in words is "one trillion, eight hundred eighteen billion, two hundred nine million, three hundred twelve thousand, one hundred thirty".