122112011212 has 6 divisors (see below), whose sum is σ = 213696019628. Its totient is φ = 61056005604.

The previous prime is 122112011207. The next prime is 122112011243. The reversal of 122112011212 is 212110211221.

It is a super-2 number, since 2×122112011212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264001398 + ... + 15264001405.

Almost surely, 2^122112011212 is an apocalyptic number.

It is an amenable number.

122112011212 is a deficient number, since it is larger than the sum of its proper divisors (91584008416).

122112011212 is a wasteful number, since it uses less digits than its factorization.

122112011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30528002807 (or 30528002805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122112011212 its reverse (212110211221), we get a palindrome (334222222433).

Subtracting 122112011212 from its reverse (212110211221), we obtain a square (89998200009 = 299997²).

The spelling of 122112011212 in words is "one hundred twenty-two billion, one hundred twelve million, eleven thousand, two hundred twelve".