12021321200232 has 16 divisors (see below), whose sum is σ = 30053303000640. Its totient is φ = 4007107066736.

The previous prime is 12021321200191. The next prime is 12021321200263. The reversal of 12021321200232 is 23200212312021.

It is a junction number, because it is equal to n+sod(n) for n = 12021321200199 and 12021321200208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250444191648 + ... + 250444191695.

It is an arithmetic number, because the mean of its divisors is an integer number (1878331437540).

Almost surely, 2^{12021321200232} is an apocalyptic number.

12021321200232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021321200232 is an abundant number, since it is smaller than the sum of its proper divisors (18031981800408).

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

12021321200232 is a wasteful number, since it uses less digits than its factorization.

12021321200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500888383352 (or 500888383348 counting only the distinct ones).

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

Adding to 12021321200232 its reverse (23200212312021), we get a palindrome (35221533512253).

The spelling of 12021321200232 in words is "twelve trillion, twenty-one billion, three hundred twenty-one million, two hundred thousand, two hundred thirty-two".