12101300122 has 4 divisors (see below), whose sum is σ = 18151950186. Its totient is φ = 6050650060.

The previous prime is 12101300117. The next prime is 12101300131. The reversal of 12101300122 is 22100310121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22100310121 = 149 ⋅148324229.

It can be written as a sum of positive squares in only one way, i.e., 8128645281 + 3972654841 = 90159^2 + 63029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025325029 + ... + 3025325032.

Almost surely, 2^12101300122 is an apocalyptic number.

12101300122 is a deficient number, since it is larger than the sum of its proper divisors (6050650064).

12101300122 is an equidigital number, since it uses as much as digits as its factorization.

12101300122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050650063.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12101300122 its reverse (22100310121), we get a palindrome (34201610243).

Subtracting 12101300122 from its reverse (22100310121), we obtain a palindrome (9999009999).

The spelling of 12101300122 in words is "twelve billion, one hundred one million, three hundred thousand, one hundred twenty-two".