12522200000 has 336 divisors, whose sum is σ = 34287805440. Its totient is φ = 4515840000.

The previous prime is 12522199997. The next prime is 12522200069. The reversal of 12522200000 is 222521.

It is a congruent number.

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, 98599937 + ... + 98600063.

It is an arithmetic number, because the mean of its divisors is an integer number (102047040).

Almost surely, 2^12522200000 is an apocalyptic number.

12522200000 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 12522200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17143902720).

12522200000 is an abundant number, since it is smaller than the sum of its proper divisors (21765605440).

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

12522200000 is an equidigital number, since it uses as much as digits as its factorization.

12522200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 12522200000 its reverse (222521), we get a palindrome (12522422521).

The spelling of 12522200000 in words is "twelve billion, five hundred twenty-two million, two hundred thousand".