12420430512232 has 32 divisors (see below), whose sum is σ = 23303492732520. Its totient is φ = 6206167123200.

The previous prime is 12420430512221. The next prime is 12420430512263. The reversal of 12420430512232 is 23221503402421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9899493151716 + 2520937360516 = 3146346^2 + 1587746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12420430512194 and 12420430512203.

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, 76951518 + ... + 77112754.

Almost surely, 2^{12420430512232} is an apocalyptic number.

It is an amenable number.

12420430512232 is a deficient number, since it is larger than the sum of its proper divisors (10883062220288).

12420430512232 is a wasteful number, since it uses less digits than its factorization.

12420430512232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167461 (or 167457 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12420430512232 its reverse (23221503402421), we get a palindrome (35641933914653).

The spelling of 12420430512232 in words is "twelve trillion, four hundred twenty billion, four hundred thirty million, five hundred twelve thousand, two hundred thirty-two".