18572453212 has 12 divisors (see below), whose sum is σ = 32749899336. Its totient is φ = 9215339120.

The previous prime is 18572453177. The next prime is 18572453257. The reversal of 18572453212 is 21235427581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17721283 + ... + 17722330.

It is an arithmetic number, because the mean of its divisors is an integer number (2729158278).

Almost surely, 2^18572453212 is an apocalyptic number.

It is an amenable number.

18572453212 is a deficient number, since it is larger than the sum of its proper divisors (14177446124).

18572453212 is a wasteful number, since it uses less digits than its factorization.

18572453212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35443748 (or 35443746 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The spelling of 18572453212 in words is "eighteen billion, five hundred seventy-two million, four hundred fifty-three thousand, two hundred twelve".