12533700000 has 288 divisors, whose sum is σ = 42167926080. Its totient is φ = 3257600000.

The previous prime is 12533699989. The next prime is 12533700019. The reversal of 12533700000 is 733521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12533700000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12299491 + ... + 12300509.

It is an arithmetic number, because the mean of its divisors is an integer number (146416410).

Almost surely, 2^12533700000 is an apocalyptic number.

12533700000 is a gapful number since it is divisible by the number (10) 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 12533700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21083963040).

12533700000 is an abundant number, since it is smaller than the sum of its proper divisors (29634226080).

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

12533700000 is an equidigital number, since it uses as much as digits as its factorization.

12533700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The spelling of 12533700000 in words is "twelve billion, five hundred thirty-three million, seven hundred thousand".