12522470400 has 924 divisors, whose sum is σ = 51602724744. Its totient is φ = 2985984000.

The previous prime is 12522470393. The next prime is 12522470423. The reversal of 12522470400 is 407422521.

12522470400 is a `hidden beast` number, since 1 + 252 + 2 + 4 + 7 + 0 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 205286370 + ... + 205286430.

Almost surely, 2^12522470400 is an apocalyptic number.

12522470400 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 12522470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25801362372).

12522470400 is an abundant number, since it is smaller than the sum of its proper divisors (39080254344).

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

12522470400 is an equidigital number, since it uses as much as digits as its factorization.

12522470400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

Adding to 12522470400 its reverse (407422521), we get a palindrome (12929892921).

The spelling of 12522470400 in words is "twelve billion, five hundred twenty-two million, four hundred seventy thousand, four hundred".