12212010012012 has 192 divisors, whose sum is σ = 30605148241920. Its totient is φ = 3780497318400.

The previous prime is 12212010012011. The next prime is 12212010012017. The reversal of 12212010012012 is 21021001021221.

It is a junction number, because it is equal to n+sod(n) for n = 12212010011982 and 12212010012000.

It is not an unprimeable number, because it can be changed into a prime (12212010012011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3860893143 + ... + 3860896305.

It is an arithmetic number, because the mean of its divisors is an integer number (159401813760).

Almost surely, 2^{12212010012012} is an apocalyptic number.

12212010012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212010012012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15302574120960).

12212010012012 is an abundant number, since it is smaller than the sum of its proper divisors (18393138229908).

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

12212010012012 is a wasteful number, since it uses less digits than its factorization.

12212010012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4762 counting only the distinct ones).

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

Adding to 12212010012012 its reverse (21021001021221), we get a palindrome (33233011033233).

The spelling of 12212010012012 in words is "twelve trillion, two hundred twelve billion, ten million, twelve thousand, twelve".