12000123303212 has 192 divisors, whose sum is σ = 24534970564608. Its totient is φ = 5082036960000.

The previous prime is 12000123303197. The next prime is 12000123303221. The reversal of 12000123303212 is 21230332100021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3969605933 + ... + 3969608955.

It is an arithmetic number, because the mean of its divisors is an integer number (127786305024).

Almost surely, 2^{12000123303212} is an apocalyptic number.

It is an amenable number.

12000123303212 is an abundant number, since it is smaller than the sum of its proper divisors (12534847261396).

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

12000123303212 is a wasteful number, since it uses less digits than its factorization.

12000123303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12000123303212 its reverse (21230332100021), we get a palindrome (33230455403233).

The spelling of 12000123303212 in words is "twelve trillion, one hundred twenty-three million, three hundred three thousand, two hundred twelve".