12122101011212 has 24 divisors (see below), whose sum is σ = 21614218307136. Its totient is φ = 5946613066368.

The previous prime is 12122101011211. The next prime is 12122101011253. The reversal of 12122101011212 is 21211010122121.

It is not an unprimeable number, because it can be changed into a prime (12122101011211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17929133 + ... + 18592955.

It is an arithmetic number, because the mean of its divisors is an integer number (900592429464).

Almost surely, 2^{12122101011212} is an apocalyptic number.

It is an amenable number.

12122101011212 is a deficient number, since it is larger than the sum of its proper divisors (9492117295924).

12122101011212 is a wasteful number, since it uses less digits than its factorization.

12122101011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750017 (or 750015 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122101011212 its reverse (21211010122121), we get a palindrome (33333111133333).

The spelling of 12122101011212 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, eleven thousand, two hundred twelve".