12030423212 has 24 divisors (see below), whose sum is σ = 21651168000. Its totient is φ = 5845782096.

The previous prime is 12030423203. The next prime is 12030423253. The reversal of 12030423212 is 21232403021.

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, 141512 + ... + 209967.

It is an arithmetic number, because the mean of its divisors is an integer number (902132000).

Almost surely, 2^12030423212 is an apocalyptic number.

It is an amenable number.

12030423212 is a deficient number, since it is larger than the sum of its proper divisors (9620744788).

12030423212 is a wasteful number, since it uses less digits than its factorization.

12030423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351725 (or 351723 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12030423212 its reverse (21232403021), we get a palindrome (33262826233).

The spelling of 12030423212 in words is "twelve billion, thirty million, four hundred twenty-three thousand, two hundred twelve".