122220100211212 has 12 divisors (see below), whose sum is σ = 219101886964296. Its totient is φ = 59619561078560.

The previous prime is 122220100211197. The next prime is 122220100211221. The reversal of 122220100211212 is 212112001022221.

It is a self number, because there is not a number n which added to its sum of digits gives 122220100211212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372622256578 + ... + 372622256905.

It is an arithmetic number, because the mean of its divisors is an integer number (18258490580358).

Almost surely, 2^{122220100211212} is an apocalyptic number.

It is an amenable number.

122220100211212 is a deficient number, since it is larger than the sum of its proper divisors (96881786753084).

122220100211212 is a wasteful number, since it uses less digits than its factorization.

122220100211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745244513528 (or 745244513526 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122220100211212 its reverse (212112001022221), we get a palindrome (334332101233433).

The spelling of 122220100211212 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, two hundred twelve".