122120201212 has 12 divisors (see below), whose sum is σ = 214156514880. Its totient is φ = 60932625536.

The previous prime is 122120201207. The next prime is 122120201239. The reversal of 122120201212 is 212102021221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31866613 + ... + 31870444.

It is an arithmetic number, because the mean of its divisors is an integer number (17846376240).

Almost surely, 2^122120201212 is an apocalyptic number.

It is an amenable number.

122120201212 is a deficient number, since it is larger than the sum of its proper divisors (92036313668).

122120201212 is a wasteful number, since it uses less digits than its factorization.

122120201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63737540 (or 63737538 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122120201212 its reverse (212102021221), we get a palindrome (334222222433).

The spelling of 122120201212 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred twelve".