12100210121122 has 16 divisors (see below), whose sum is σ = 18156786668280. Its totient is φ = 6047948172672.

The previous prime is 12100210121107. The next prime is 12100210121231. The reversal of 12100210121122 is 22112101200121.

It can be written as a sum of positive squares in 4 ways, for example, as 7811918790361 + 4288291330761 = 2794981^2 + 2070819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12100210121096 and 12100210121105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101169268 + ... + 101288800.

Almost surely, 2^{12100210121122} is an apocalyptic number.

12100210121122 is a deficient number, since it is larger than the sum of its proper divisors (6056576547158).

12100210121122 is a wasteful number, since it uses less digits than its factorization.

12100210121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137157.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100210121122 its reverse (22112101200121), we get a palindrome (34212311321243).

The spelling of 12100210121122 in words is "twelve trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".