12522212300 has 144 divisors (see below), whose sum is σ = 29745616992. Its totient is φ = 4548096000.

The previous prime is 12522212281. The next prime is 12522212357. The reversal of 12522212300 is 321222521.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 37157732 + ... + 37158068.

Almost surely, 2^12522212300 is an apocalyptic number.

12522212300 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 12522212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14872808496).

12522212300 is an abundant number, since it is smaller than the sum of its proper divisors (17223404692).

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

12522212300 is a wasteful number, since it uses less digits than its factorization.

12522212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12522212300 its reverse (321222521), we get a palindrome (12843434821).

It can be divided in two parts, 1252221 and 2300, that added together give a palindrome (1254521).

The spelling of 12522212300 in words is "twelve billion, five hundred twenty-two million, two hundred twelve thousand, three hundred".