18734095212 has 48 divisors (see below), whose sum is σ = 51569129472. Its totient is φ = 5179933440.

The previous prime is 18734095199. The next prime is 18734095229. The reversal of 18734095212 is 21259043781.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3594573 + ... + 3599780.

It is an arithmetic number, because the mean of its divisors is an integer number (1074356864).

Almost surely, 2^18734095212 is an apocalyptic number.

18734095212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18734095212 is an abundant number, since it is smaller than the sum of its proper divisors (32835034260).

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

18734095212 is a wasteful number, since it uses less digits than its factorization.

18734095212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194398 (or 7194396 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 18734095212 in words is "eighteen billion, seven hundred thirty-four million, ninety-five thousand, two hundred twelve".