1812070217274 has 64 divisors (see below), whose sum is σ = 3994001447040. Its totient is φ = 545521858560.

The previous prime is 1812070217267. The next prime is 1812070217299. The reversal of 1812070217274 is 4727120702181.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1396987 + ... + 2361294.

It is an arithmetic number, because the mean of its divisors is an integer number (62406272610).

Almost surely, 2^{1812070217274} is an apocalyptic number.

1812070217274 is an abundant number, since it is smaller than the sum of its proper divisors (2181931229766).

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

1812070217274 is a wasteful number, since it uses less digits than its factorization.

1812070217274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758495.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 1812070217274 in words is "one trillion, eight hundred twelve billion, seventy million, two hundred seventeen thousand, two hundred seventy-four".