122110100012 has 24 divisors (see below), whose sum is σ = 214671959040. Its totient is φ = 60775350480.

The previous prime is 122110099997. The next prime is 122110100017. The reversal of 122110100012 is 210001011221.

It is a junction number, because it is equal to n+sod(n) for n = 122110099966 and 122110100002.

It is not an unprimeable number, because it can be changed into a prime (122110100017) 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, 8454437 + ... + 8468867.

It is an arithmetic number, because the mean of its divisors is an integer number (8944664960).

Almost surely, 2^122110100012 is an apocalyptic number.

It is an amenable number.

122110100012 is a deficient number, since it is larger than the sum of its proper divisors (92561859028).

122110100012 is a wasteful number, since it uses less digits than its factorization.

122110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981 (or 23979 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122110100012 its reverse (210001011221), we get a palindrome (332111111233).

The spelling of 122110100012 in words is "one hundred twenty-two billion, one hundred ten million, one hundred thousand, twelve".