18126546012 has 48 divisors (see below), whose sum is σ = 47765172000. Its totient is φ = 5943127680.

The previous prime is 18126546007. The next prime is 18126546017. The reversal of 18126546012 is 21064562181.

It is a happy number.

18126546012 is a `hidden beast` number, since 1 + 81 + 26 + 546 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (18126546007) and next prime (18126546017).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18126546017) 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, 1369137 + ... + 1382312.

It is an arithmetic number, because the mean of its divisors is an integer number (995107750).

Almost surely, 2^18126546012 is an apocalyptic number.

18126546012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18126546012 is an abundant number, since it is smaller than the sum of its proper divisors (29638625988).

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

18126546012 is a wasteful number, since it uses less digits than its factorization.

18126546012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751523 (or 2751515 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 18126546012 in words is "eighteen billion, one hundred twenty-six million, five hundred forty-six thousand, twelve".