122110112111212 has 6 divisors (see below), whose sum is σ = 213692696194628. Its totient is φ = 61055056055604.

The previous prime is 122110112111203. The next prime is 122110112111249. The reversal of 122110112111212 is 212111211011221.

It is a super-2 number, since 2×122110112111212² (a number of 29 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 122110112111212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263764013898 + ... + 15263764013905.

Almost surely, 2^{122110112111212} is an apocalyptic number.

It is an amenable number.

122110112111212 is a deficient number, since it is larger than the sum of its proper divisors (91582584083416).

122110112111212 is a wasteful number, since it uses less digits than its factorization.

122110112111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527528027807 (or 30527528027805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122110112111212 its reverse (212111211011221), we get a palindrome (334221323122433).

The spelling of 122110112111212 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred twelve million, one hundred eleven thousand, two hundred twelve".