122120110211212 has 6 divisors (see below), whose sum is σ = 213710192869628. Its totient is φ = 61060055105604.

The previous prime is 122120110211167. The next prime is 122120110211237. The reversal of 122120110211212 is 212112011021221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122120110211212.

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, 15265013776398 + ... + 15265013776405.

Almost surely, 2^{122120110211212} is an apocalyptic number.

It is an amenable number.

122120110211212 is a deficient number, since it is larger than the sum of its proper divisors (91590082658416).

122120110211212 is a wasteful number, since it uses less digits than its factorization.

122120110211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530027552807 (or 30530027552805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122120110211212 its reverse (212112011021221), we get a palindrome (334232121232433).

The spelling of 122120110211212 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred ten million, two hundred eleven thousand, two hundred twelve".