12023421132212 has 24 divisors (see below), whose sum is σ = 24046926227520. Its totient is φ = 5152876778880.

The previous prime is 12023421132199. The next prime is 12023421132277. The reversal of 12023421132212 is 21223112432021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10237964 + ... + 11351772.

It is an arithmetic number, because the mean of its divisors is an integer number (1001955259480).

Almost surely, 2^{12023421132212} is an apocalyptic number.

It is an amenable number.

12023421132212 is an abundant number, since it is smaller than the sum of its proper divisors (12023505095308).

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

12023421132212 is a wasteful number, since it uses less digits than its factorization.

12023421132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499351 (or 1499349 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12023421132212 its reverse (21223112432021), we get a palindrome (33246533564233).

The spelling of 12023421132212 in words is "twelve trillion, twenty-three billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".