212000121220112 has 20 divisors (see below), whose sum is σ = 432368668278480. Its totient is φ = 100421110051488.

The previous prime is 212000121220109. The next prime is 212000121220117. The reversal of 212000121220112 is 211022121000212.

It is not an unprimeable number, because it can be changed into a prime (212000121220117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348684409598 + ... + 348684410205.

It is an arithmetic number, because the mean of its divisors is an integer number (21618433413924).

Almost surely, 2^{212000121220112} is an apocalyptic number.

It is an amenable number.

212000121220112 is an abundant number, since it is smaller than the sum of its proper divisors (220368547058368).

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

212000121220112 is a wasteful number, since it uses less digits than its factorization.

212000121220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697368819830 (or 697368819824 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212000121220112 its reverse (211022121000212), we get a palindrome (423022242220324).

The spelling of 212000121220112 in words is "two hundred twelve trillion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".