22321200102012 has 36 divisors (see below), whose sum is σ = 64483466962096. Its totient is φ = 6377485743360.

The previous prime is 22321200101971. The next prime is 22321200102031. The reversal of 22321200102012 is 21020100212322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22321200102012³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 44288095189 + ... + 44288095692.

Almost surely, 2^{22321200102012} is an apocalyptic number.

It is an amenable number.

22321200102012 is an abundant number, since it is smaller than the sum of its proper divisors (42162266860084).

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

22321200102012 is a wasteful number, since it uses less digits than its factorization.

22321200102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88576190898 (or 88576190893 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22321200102012 its reverse (21020100212322), we get a palindrome (43341300314334).

The spelling of 22321200102012 in words is "twenty-two trillion, three hundred twenty-one billion, two hundred million, one hundred two thousand, twelve".