12102423212 has 24 divisors (see below), whose sum is σ = 23107449792. Its totient is φ = 5500429200.

The previous prime is 12102423211. The next prime is 12102423247. The reversal of 12102423212 is 21232420121.

It is not an unprimeable number, because it can be changed into a prime (12102423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609887 + ... + 629417.

It is an arithmetic number, because the mean of its divisors is an integer number (962810408).

Almost surely, 2^12102423212 is an apocalyptic number.

It is an amenable number.

12102423212 is a deficient number, since it is larger than the sum of its proper divisors (11005026580).

12102423212 is a wasteful number, since it uses less digits than its factorization.

12102423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33629 (or 33627 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12102423212 its reverse (21232420121), we get a palindrome (33334843333).

The spelling of 12102423212 in words is "twelve billion, one hundred two million, four hundred twenty-three thousand, two hundred twelve".