12022201111212 has 18 divisors (see below), whose sum is σ = 30389452808988. Its totient is φ = 4007400370392.

The previous prime is 12022201111199. The next prime is 12022201111229. The reversal of 12022201111212 is 21211110222021.

12022201111212 is a `hidden beast` number, since 120 + 2 + 220 + 1 + 111 + 212 = 666.

12022201111212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166975015398 + ... + 166975015469.

Almost surely, 2^{12022201111212} is an apocalyptic number.

12022201111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022201111212 is an abundant number, since it is smaller than the sum of its proper divisors (18367251697776).

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

12022201111212 is a wasteful number, since it uses less digits than its factorization.

12022201111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333950030877 (or 333950030872 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12022201111212 its reverse (21211110222021), we get a palindrome (33233311333233).

The spelling of 12022201111212 in words is "twelve trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred twelve".