12102343422 has 16 divisors (see below), whose sum is σ = 26066586000. Its totient is φ = 3723797952.

The previous prime is 12102343399. The next prime is 12102343457. The reversal of 12102343422 is 22434320121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102343392 and 12102343401.

It is a congruent number.

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, 77579047 + ... + 77579202.

It is an arithmetic number, because the mean of its divisors is an integer number (1629161625).

Almost surely, 2^12102343422 is an apocalyptic number.

12102343422 is an abundant number, since it is smaller than the sum of its proper divisors (13964242578).

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

12102343422 is a wasteful number, since it uses less digits than its factorization.

12102343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155158267.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12102343422 its reverse (22434320121), we get a palindrome (34536663543).

The spelling of 12102343422 in words is "twelve billion, one hundred two million, three hundred forty-three thousand, four hundred twenty-two".