12533698116 has 81 divisors (see below), whose sum is σ = 32452583709. Its totient is φ = 4078708128.

The previous prime is 12533698087. The next prime is 12533698117. The reversal of 12533698116 is 61189633521.

The square root of 12533698116 is 111954.

It is a perfect power (a square), and thus also a powerful number.

12533698116 is a `hidden beast` number, since 12 + 533 + 6 + 98 + 1 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8399722500 + 4133975616 = 91650^2 + 64296^2 .

It is not an unprimeable number, because it can be changed into a prime (12533698117) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31570830 + ... + 31571226.

Almost surely, 2^12533698116 is an apocalyptic number.

12533698116 is the 111954-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12533698116

12533698116 is an abundant number, since it is smaller than the sum of its proper divisors (19918885593).

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

12533698116 is an equidigital number, since it uses as much as digits as its factorization.

12533698116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 449 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

It can be divided in two parts, 12533 and 698116, that added together give a square (710649 = 843²).

The spelling of 12533698116 in words is "twelve billion, five hundred thirty-three million, six hundred ninety-eight thousand, one hundred sixteen".