21230200112232 has 64 divisors (see below), whose sum is σ = 53371622304000. Its totient is φ = 7037254667520.

The previous prime is 21230200112221. The next prime is 21230200112237. The reversal of 21230200112232 is 23221100203212.

It is a junction number, because it is equal to n+sod(n) for n = 21230200112199 and 21230200112208.

It is not an unprimeable number, because it can be changed into a prime (21230200112237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86744769 + ... + 86989167.

It is an arithmetic number, because the mean of its divisors is an integer number (833931598500).

Almost surely, 2^{21230200112232} is an apocalyptic number.

It is an amenable number.

21230200112232 is an abundant number, since it is smaller than the sum of its proper divisors (32141422191768).

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

21230200112232 is a wasteful number, since it uses less digits than its factorization.

21230200112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264586 (or 264582 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21230200112232 its reverse (23221100203212), we get a palindrome (44451300315444).

The spelling of 21230200112232 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, one hundred twelve thousand, two hundred thirty-two".