18786012333122 has 4 divisors (see below), whose sum is σ = 28179018499686. Its totient is φ = 9393006166560.

The previous prime is 18786012333113. The next prime is 18786012333139. The reversal of 18786012333122 is 22133321068781.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18217283685241 + 568728647881 = 4268171^2 + 754141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4696503083279 + ... + 4696503083282.

Almost surely, 2^{18786012333122} is an apocalyptic number.

18786012333122 is a deficient number, since it is larger than the sum of its proper divisors (9393006166564).

18786012333122 is an equidigital number, since it uses as much as digits as its factorization.

18786012333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393006166563.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 18786012333122 in words is "eighteen trillion, seven hundred eighty-six billion, twelve million, three hundred thirty-three thousand, one hundred twenty-two".