18486367212 has 48 divisors (see below), whose sum is σ = 43318913792. Its totient is φ = 6135877440.

The previous prime is 18486367201. The next prime is 18486367213. The reversal of 18486367212 is 21276368481.

It is not an unprimeable number, because it can be changed into a prime (18486367213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838518 + ... + 3843330.

Almost surely, 2^18486367212 is an apocalyptic number.

18486367212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18486367212 is an abundant number, since it is smaller than the sum of its proper divisors (24832546580).

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

18486367212 is a wasteful number, since it uses less digits than its factorization.

18486367212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118 (or 6116 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 18486367212 in words is "eighteen billion, four hundred eighty-six million, three hundred sixty-seven thousand, two hundred twelve".