122220111221212 has 12 divisors (see below), whose sum is σ = 213885711749080. Its totient is φ = 61109907864336.

The previous prime is 122220111221203. The next prime is 122220111221213. The reversal of 122220111221212 is 212122111022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220111221213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35064762 + ... + 38392417.

Almost surely, 2^{122220111221212} is an apocalyptic number.

It is an amenable number.

122220111221212 is a deficient number, since it is larger than the sum of its proper divisors (91665600527868).

122220111221212 is a wasteful number, since it uses less digits than its factorization.

122220111221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73873140 (or 73873138 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122220111221212 its reverse (212122111022221), we get a palindrome (334342222243433).

The spelling of 122220111221212 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twelve".