12100020122122 has 4 divisors (see below), whose sum is σ = 18150030183186. Its totient is φ = 6050010061060.

The previous prime is 12100020122053. The next prime is 12100020122207. The reversal of 12100020122122 is 22122102000121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11975205591441 + 124814530681 = 3460521^2 + 353291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12100020122096 and 12100020122105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025005030529 + ... + 3025005030532.

Almost surely, 2^{12100020122122} is an apocalyptic number.

12100020122122 is a deficient number, since it is larger than the sum of its proper divisors (6050010061064).

12100020122122 is an equidigital number, since it uses as much as digits as its factorization.

12100020122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050010061063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12100020122122 its reverse (22122102000121), we get a palindrome (34222122122243).

The spelling of 12100020122122 in words is "twelve trillion, one hundred billion, twenty million, one hundred twenty-two thousand, one hundred twenty-two".