12102123423430 has 32 divisors (see below), whose sum is σ = 22139280936000. Its totient is φ = 4762405181952.

The previous prime is 12102123423409. The next prime is 12102123423433. The reversal of 12102123423430 is 3432432120121.

It is a super-2 number, since 2×12102123423430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102123423433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33988447 + ... + 34342666.

It is an arithmetic number, because the mean of its divisors is an integer number (691852529250).

Almost surely, 2^{12102123423430} is an apocalyptic number.

12102123423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102123423430 is a deficient number, since it is larger than the sum of its proper divisors (10037157512570).

12102123423430 is a wasteful number, since it uses less digits than its factorization.

12102123423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68331408.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12102123423430 its reverse (3432432120121), we get a palindrome (15534555543551).

The spelling of 12102123423430 in words is "twelve trillion, one hundred two billion, one hundred twenty-three million, four hundred twenty-three thousand, four hundred thirty".