12022201201212 has 60 divisors (see below), whose sum is σ = 31428861550240. Its totient is φ = 4007342657664.

The previous prime is 12022201201207. The next prime is 12022201201223. The reversal of 12022201201212 is 21210210222021.

It is a happy number.

12022201201212 is a `hidden beast` number, since 1 + 202 + 220 + 120 + 121 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26330964 + ... + 26783652.

Almost surely, 2^{12022201201212} is an apocalyptic number.

12022201201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022201201212 is an abundant number, since it is smaller than the sum of its proper divisors (19406660349028).

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

12022201201212 is a wasteful number, since it uses less digits than its factorization.

12022201201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534672 (or 534661 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022201201212 its reverse (21210210222021), we get a palindrome (33232411423233).

The spelling of 12022201201212 in words is "twelve trillion, twenty-two billion, two hundred one million, two hundred one thousand, two hundred twelve".