22512045200000 has 96 divisors (see below), whose sum is σ = 56056681947420. Its totient is φ = 9004817920000.

The previous prime is 22512045199979. The next prime is 22512045200017. The reversal of 22512045200000 is 254021522.

It can be written as a sum of positive squares in 6 ways, for example, as 4025416246336 + 18486628953664 = 2006344^2 + 4299608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27740057 + ... + 28540056.

Almost surely, 2^{22512045200000} is an apocalyptic number.

22512045200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22512045200000 is an abundant number, since it is smaller than the sum of its proper divisors (33544636747420).

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

22512045200000 is an frugal number, since it uses more digits than its factorization.

22512045200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56280152 (or 56280120 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 22512045200000 its reverse (254021522), we get a palindrome (22512299221522).

The spelling of 22512045200000 in words is "twenty-two trillion, five hundred twelve billion, forty-five million, two hundred thousand".