2201220201212 has 6 divisors (see below), whose sum is σ = 3852135352128. Its totient is φ = 1100610100604.

The previous prime is 2201220201139. The next prime is 2201220201269. The reversal of 2201220201212 is 2121020221022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275152525148 + ... + 275152525155.

It is an arithmetic number, because the mean of its divisors is an integer number (642022558688).

Almost surely, 2^{2201220201212} is an apocalyptic number.

It is an amenable number.

2201220201212 is a deficient number, since it is larger than the sum of its proper divisors (1650915150916).

2201220201212 is a wasteful number, since it uses less digits than its factorization.

2201220201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550305050307 (or 550305050305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2201220201212 its reverse (2121020221022), we get a palindrome (4322240422234).

The spelling of 2201220201212 in words is "two trillion, two hundred one billion, two hundred twenty million, two hundred one thousand, two hundred twelve".