21201200000092 has 12 divisors (see below), whose sum is σ = 42402400000240. Its totient is φ = 9086228571456.

The previous prime is 21201200000089. The next prime is 21201200000129. The reversal of 21201200000092 is 29000000210212.

21201200000092 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378592857117 + ... + 378592857172.

Almost surely, 2^{21201200000092} is an apocalyptic number.

It is an amenable number.

21201200000092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21201200000092 is a wasteful number, since it uses less digits than its factorization.

21201200000092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757185714300 (or 757185714298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 21201200000092 in words is "twenty-one trillion, two hundred one billion, two hundred million, ninety-two", and thus it is an aban number.