12252421430000 has 50 divisors (see below), whose sum is σ = 29664337548384. Its totient is φ = 4900968568000.

The previous prime is 12252421429987. The next prime is 12252421430027. The reversal of 12252421430000 is 3412425221.

12252421430000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 612611072 + ... + 612631071.

Almost surely, 2^{12252421430000} is an apocalyptic number.

12252421430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252421430000 is an abundant number, since it is smaller than the sum of its proper divisors (17411916118384).

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

12252421430000 is an equidigital number, since it uses as much as digits as its factorization.

12252421430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225242171 (or 1225242150 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12252421430000 its reverse (3412425221), we get a palindrome (12255833855221).

The spelling of 12252421430000 in words is "twelve trillion, two hundred fifty-two billion, four hundred twenty-one million, four hundred thirty thousand".