12201131220212 has 24 divisors (see below), whose sum is σ = 23314418985312. Its totient is φ = 5540885333600.

The previous prime is 12201131220211. The next prime is 12201131220319. The reversal of 12201131220212 is 21202213110221.

12201131220212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201131220211) 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, 127036523 + ... + 127132530.

It is an arithmetic number, because the mean of its divisors is an integer number (971434124388).

Almost surely, 2^{12201131220212} is an apocalyptic number.

It is an amenable number.

12201131220212 is a deficient number, since it is larger than the sum of its proper divisors (11113287765100).

12201131220212 is a wasteful number, since it uses less digits than its factorization.

12201131220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254170159 (or 254170157 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12201131220212 its reverse (21202213110221), we get a palindrome (33403344330433).

The spelling of 12201131220212 in words is "twelve trillion, two hundred one billion, one hundred thirty-one million, two hundred twenty thousand, two hundred twelve".