22143121422000 has 80 divisors (see below), whose sum is σ = 71389423483872. Its totient is φ = 5904832377600.

The previous prime is 22143121421969. The next prime is 22143121422013. The reversal of 22143121422000 is 22412134122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845254119 + ... + 1845266118.

Almost surely, 2^{22143121422000} is an apocalyptic number.

22143121422000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143121422000 is an abundant number, since it is smaller than the sum of its proper divisors (49246302061872).

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

22143121422000 is a wasteful number, since it uses less digits than its factorization.

22143121422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690520263 (or 3690520247 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22143121422000 its reverse (22412134122), we get a palindrome (22165533556122).

The spelling of 22143121422000 in words is "twenty-two trillion, one hundred forty-three billion, one hundred twenty-one million, four hundred twenty-two thousand".