122100211011212 has 24 divisors (see below), whose sum is σ = 244223708623104. Its totient is φ = 52323671876112.

The previous prime is 122100211011211. The next prime is 122100211011239. The reversal of 122100211011212 is 212110112001221.

It is a super-2 number, since 2×122100211011212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122100211011211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207617198 + ... + 208204469.

It is an arithmetic number, because the mean of its divisors is an integer number (10175987859296).

Almost surely, 2^{122100211011212} is an apocalyptic number.

It is an amenable number.

122100211011212 is an abundant number, since it is smaller than the sum of its proper divisors (122123497611892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122100211011212 is a wasteful number, since it uses less digits than its factorization.

122100211011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415832165 (or 415832163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122100211011212 its reverse (212110112001221), we get a palindrome (334210323012433).

Subtracting 122100211011212 from its reverse (212110112001221), we obtain a palindrome (90009900990009).

The spelling of 122100211011212 in words is "one hundred twenty-two trillion, one hundred billion, two hundred eleven million, eleven thousand, two hundred twelve".