12520133276 has 108 divisors (see below), whose sum is σ = 27392090544. Its totient is φ = 4974923520.

The previous prime is 12520133203. The next prime is 12520133279. The reversal of 12520133276 is 67233102521.

It is a super-3 number, since 3×12520133276³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520133279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65550341 + ... + 65550531.

It is an arithmetic number, because the mean of its divisors is an integer number (253630468).

Almost surely, 2^12520133276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12520133276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13696045272).

12520133276 is an abundant number, since it is smaller than the sum of its proper divisors (14871957268).

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

12520133276 is a wasteful number, since it uses less digits than its factorization.

12520133276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 12520133276 its reverse (67233102521), we get a palindrome (79753235797).

The spelling of 12520133276 in words is "twelve billion, five hundred twenty million, one hundred thirty-three thousand, two hundred seventy-six".