12101200106 has 16 divisors (see below), whose sum is σ = 18242136360. Its totient is φ = 6020544960.

The previous prime is 12101200093. The next prime is 12101200123. The reversal of 12101200106 is 60100210121.

It can be written as a sum of positive squares in 4 ways, for example, as 7524001081 + 4577199025 = 86741^2 + 67655^2 .

It is a super-2 number, since 2×12101200106² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 428000 + ... + 455396.

Almost surely, 2^12101200106 is an apocalyptic number.

12101200106 is a deficient number, since it is larger than the sum of its proper divisors (6140936254).

12101200106 is a wasteful number, since it uses less digits than its factorization.

12101200106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28489.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12101200106 its reverse (60100210121), we get a palindrome (72201410227).

The spelling of 12101200106 in words is "twelve billion, one hundred one million, two hundred thousand, one hundred six".