22012042350400 has 84 divisors (see below), whose sum is σ = 54238716089280. Its totient is φ = 8792570560000.

The previous prime is 22012042350373. The next prime is 22012042350413. The reversal of 22012042350400 is 405324021022.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8416726 + ... + 10717525.

Almost surely, 2^{22012042350400} is an apocalyptic number.

22012042350400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012042350400 is an abundant number, since it is smaller than the sum of its proper divisors (32226673738880).

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

22012042350400 is a wasteful number, since it uses less digits than its factorization.

22012042350400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19134992 (or 19134977 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22012042350400 its reverse (405324021022), we get a palindrome (22417366371422).

The spelling of 22012042350400 in words is "twenty-two trillion, twelve billion, forty-two million, three hundred fifty thousand, four hundred".