201120222012 has 48 divisors (see below), whose sum is σ = 482820438912. Its totient is φ = 65112240960.

The previous prime is 201120222011. The next prime is 201120222019. The reversal of 201120222012 is 210222021102.

It is a junction number, because it is equal to n+sod(n) for n = 201120221982 and 201120222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120222011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152314 + ... + 652257.

It is an arithmetic number, because the mean of its divisors is an integer number (10058759144).

Almost surely, 2^201120222012 is an apocalyptic number.

It is an amenable number.

201120222012 is an abundant number, since it is smaller than the sum of its proper divisors (281700216900).

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

201120222012 is a wasteful number, since it uses less digits than its factorization.

201120222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805178 (or 805176 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201120222012 its reverse (210222021102), we get a palindrome (411342243114).

The spelling of 201120222012 in words is "two hundred one billion, one hundred twenty million, two hundred twenty-two thousand, twelve".