1812492214020 has 96 divisors (see below), whose sum is σ = 5970562617600. Its totient is φ = 454900004352.

The previous prime is 1812492214019. The next prime is 1812492214031. The reversal of 1812492214020 is 204122942181.

1812492214020 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 492 + 2 + 140 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98710440 + ... + 98728799.

It is an arithmetic number, because the mean of its divisors is an integer number (62193360600).

Almost surely, 2^{1812492214020} is an apocalyptic number.

1812492214020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1812492214020 is an abundant number, since it is smaller than the sum of its proper divisors (4158070403580).

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

1812492214020 is a wasteful number, since it uses less digits than its factorization.

1812492214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197439274 (or 197439266 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 1812492214020 in words is "one trillion, eight hundred twelve billion, four hundred ninety-two million, two hundred fourteen thousand, twenty".