12537027072 has 140 divisors (see below), whose sum is σ = 37558289010. Its totient is φ = 4178884608.

The previous prime is 12537027071. The next prime is 12537027131. The reversal of 12537027072 is 27072073521.

12537027072 is a `hidden beast` number, since 1 + 253 + 70 + 270 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6951557376 + 5585469696 = 83376^2 + 74736^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12537027071) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 356454 + ... + 390042.

Almost surely, 2^12537027072 is an apocalyptic number.

12537027072 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 12537027072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18779144505).

12537027072 is an abundant number, since it is smaller than the sum of its proper divisors (25021261938).

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

12537027072 is an frugal number, since it uses more digits than its factorization.

12537027072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33625 (or 33594 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The spelling of 12537027072 in words is "twelve billion, five hundred thirty-seven million, twenty-seven thousand, seventy-two".