12123630234430 has 64 divisors (see below), whose sum is σ = 26057952559296. Its totient is φ = 4002757632000.

The previous prime is 12123630234349. The next prime is 12123630234467. The reversal of 12123630234430 is 3443203632121.

It is a super-2 number, since 2×12123630234430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69405091 + ... + 69579550.

It is an arithmetic number, because the mean of its divisors is an integer number (407155508739).

Almost surely, 2^{12123630234430} is an apocalyptic number.

12123630234430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123630234430 is an abundant number, since it is smaller than the sum of its proper divisors (13934322324866).

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

12123630234430 is a wasteful number, since it uses less digits than its factorization.

12123630234430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138984733.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 12123630234430 its reverse (3443203632121), we get a palindrome (15566833866551).

The spelling of 12123630234430 in words is "twelve trillion, one hundred twenty-three billion, six hundred thirty million, two hundred thirty-four thousand, four hundred thirty".