201112232212 has 6 divisors (see below), whose sum is σ = 351946406378. Its totient is φ = 100556116104.

The previous prime is 201112232177. The next prime is 201112232239. The reversal of 201112232212 is 212232211102.

It can be written as a sum of positive squares in only one way, i.e., 200763140356 + 349091856 = 448066^2 + 18684^2 .

It is a super-2 number, since 2×201112232212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201112232212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139029023 + ... + 25139029030.

Almost surely, 2^201112232212 is an apocalyptic number.

It is an amenable number.

201112232212 is a deficient number, since it is larger than the sum of its proper divisors (150834174166).

201112232212 is a wasteful number, since it uses less digits than its factorization.

201112232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50278058057 (or 50278058055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201112232212 its reverse (212232211102), we get a palindrome (413344443314).

The spelling of 201112232212 in words is "two hundred one billion, one hundred twelve million, two hundred thirty-two thousand, two hundred twelve".