12220737400 has 192 divisors, whose sum is σ = 29976518880. Its totient is φ = 4628736000.

The previous prime is 12220737379. The next prime is 12220737421. The reversal of 12220737400 is 473702221.

It is an interprime number because it is at equal distance from previous prime (12220737379) and next prime (12220737421).

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, 62034102 + ... + 62034298.

Almost surely, 2^12220737400 is an apocalyptic number.

12220737400 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 12220737400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14988259440).

12220737400 is an abundant number, since it is smaller than the sum of its proper divisors (17755781480).

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

12220737400 is a wasteful number, since it uses less digits than its factorization.

12220737400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 12220737400 in words is "twelve billion, two hundred twenty million, seven hundred thirty-seven thousand, four hundred".