1812273214224 has 80 divisors (see below), whose sum is σ = 5108133326400. Its totient is φ = 549085754880.

The previous prime is 1812273214211. The next prime is 1812273214289. The reversal of 1812273214224 is 4224123722181.

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, 3063702 + ... + 3607050.

It is an arithmetic number, because the mean of its divisors is an integer number (63851666580).

Almost surely, 2^{1812273214224} is an apocalyptic number.

It is an amenable number.

1812273214224 is an abundant number, since it is smaller than the sum of its proper divisors (3295860112176).

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

1812273214224 is a wasteful number, since it uses less digits than its factorization.

1812273214224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549688 (or 549682 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The spelling of 1812273214224 in words is "one trillion, eight hundred twelve billion, two hundred seventy-three million, two hundred fourteen thousand, two hundred twenty-four".