22061986891200 has 672 divisors, whose sum is σ = 84699925088000. Its totient is φ = 5570726400000.

The previous prime is 22061986891193. The next prime is 22061986891253. The reversal of 22061986891200 is 219868916022.

It is a happy number.

22061986891200 is a `hidden beast` number, since 2 + 2 + 0 + 619 + 8 + 6 + 8 + 9 + 12 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1960885575 + ... + 1960896825.

Almost surely, 2^{22061986891200} is an apocalyptic number.

22061986891200 is a gapful number since it is divisible by the number (20) 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 22061986891200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42349962544000).

22061986891200 is an abundant number, since it is smaller than the sum of its proper divisors (62637938196800).

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

22061986891200 is a wasteful number, since it uses less digits than its factorization.

22061986891200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690 (or 13669 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 22061986891200 in words is "twenty-two trillion, sixty-one billion, nine hundred eighty-six million, eight hundred ninety-one thousand, two hundred".