18741252312 has 64 divisors (see below), whose sum is σ = 52148073600. Its totient is φ = 6236399520.

The previous prime is 18741252307. The next prime is 18741252317. The reversal of 18741252312 is 21325214781.

18741252312 is a `hidden beast` number, since 1 + 8 + 7 + 412 + 5 + 231 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (18741252307) and next prime (18741252317).

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 (18741252317) 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, 52887 + ... + 200697.

It is an arithmetic number, because the mean of its divisors is an integer number (814813650).

Almost surely, 2^18741252312 is an apocalyptic number.

18741252312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18741252312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26074036800).

18741252312 is an abundant number, since it is smaller than the sum of its proper divisors (33406821288).

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

18741252312 is a wasteful number, since it uses less digits than its factorization.

18741252312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148413 (or 148403 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The spelling of 18741252312 in words is "eighteen billion, seven hundred forty-one million, two hundred fifty-two thousand, three hundred twelve".