345213220188 has 36 divisors (see below), whose sum is σ = 850123425480. Its totient is φ = 109014699744.

The previous prime is 345213220171. The next prime is 345213220213. The reversal of 345213220188 is 881022312543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39840223 + ... + 39848886.

Almost surely, 2^345213220188 is an apocalyptic number.

345213220188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

345213220188 is an abundant number, since it is smaller than the sum of its proper divisors (504910205292).

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

345213220188 is a wasteful number, since it uses less digits than its factorization.

345213220188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79689154 (or 79689133 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 345213220188 in words is "three hundred forty-five billion, two hundred thirteen million, two hundred twenty thousand, one hundred eighty-eight".