18132452012 has 12 divisors (see below), whose sum is σ = 31874087616. Its totient is φ = 9025569840.

The previous prime is 18132452003. The next prime is 18132452021. The reversal of 18132452012 is 21025423181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18132452003) and next prime (18132452021).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10163039 + ... + 10164822.

It is an arithmetic number, because the mean of its divisors is an integer number (2656173968).

Almost surely, 2^18132452012 is an apocalyptic number.

It is an amenable number.

18132452012 is a deficient number, since it is larger than the sum of its proper divisors (13741635604).

18132452012 is a wasteful number, since it uses less digits than its factorization.

18132452012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328088 (or 20328086 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 18132452012 its reverse (21025423181), we get a palindrome (39157875193).

The spelling of 18132452012 in words is "eighteen billion, one hundred thirty-two million, four hundred fifty-two thousand, twelve".