12211442502400 has 108 divisors (see below), whose sum is σ = 32003183118312. Its totient is φ = 4597248901120.

The previous prime is 12211442502359. The next prime is 12211442502421. The reversal of 12211442502400 is 420524411221.

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, 56009962 + ... + 56227561.

It is an arithmetic number, because the mean of its divisors is an integer number (296325769614).

Almost surely, 2^{12211442502400} is an apocalyptic number.

12211442502400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211442502400 is an abundant number, since it is smaller than the sum of its proper divisors (19791740615912).

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

12211442502400 is a wasteful number, since it uses less digits than its factorization.

12211442502400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112237566 (or 112237547 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 12211442502400 its reverse (420524411221), we get a palindrome (12631966913621).

The spelling of 12211442502400 in words is "twelve trillion, two hundred eleven billion, four hundred forty-two million, five hundred two thousand, four hundred".