1230121430432 has 24 divisors (see below), whose sum is σ = 2428027301700. Its totient is φ = 613479576064.

The previous prime is 1230121430399. The next prime is 1230121430449. The reversal of 1230121430432 is 2340341210321.

It can be written as a sum of positive squares in 2 ways, for example, as 1170801905296 + 59319525136 = 1082036^2 + 243556^2 .

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, 49397957 + ... + 49422852.

Almost surely, 2^{1230121430432} is an apocalyptic number.

It is an amenable number.

1230121430432 is a deficient number, since it is larger than the sum of its proper divisors (1197905871268).

1230121430432 is an equidigital number, since it uses as much as digits as its factorization.

1230121430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98821208 (or 98821200 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1230121430432 its reverse (2340341210321), we get a palindrome (3570462640753).

The spelling of 1230121430432 in words is "one trillion, two hundred thirty billion, one hundred twenty-one million, four hundred thirty thousand, four hundred thirty-two".