12000122101212 has 96 divisors (see below), whose sum is σ = 33764565972480. Its totient is φ = 3240437840640.

The previous prime is 12000122101183. The next prime is 12000122101223. The reversal of 12000122101212 is 21210122100021.

It is a junction number, because it is equal to n+sod(n) for n = 12000122101191 and 12000122101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8257863 + ... + 9601694.

It is an arithmetic number, because the mean of its divisors is an integer number (351714228880).

Almost surely, 2^{12000122101212} is an apocalyptic number.

12000122101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000122101212 is an abundant number, since it is smaller than the sum of its proper divisors (21764443871268).

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

12000122101212 is a wasteful number, since it uses less digits than its factorization.

12000122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860011 (or 17860009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12000122101212 its reverse (21210122100021), we get a palindrome (33210244201233).

The spelling of 12000122101212 in words is "twelve trillion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".