12100051 has 4 divisors (see below), whose sum is σ = 12117600. Its totient is φ = 12082504.

The previous prime is 12100003. The next prime is 12100057. The reversal of 12100051 is 15000121.

It is a happy number.

12100051 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15000121 = 271 ⋅55351.

It is a cyclic number.

It is not a de Polignac number, because 12100051 - 2¹⁵ = 12067283 is a prime.

It is a super-2 number, since 2×12100051² = 292822468405202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7696 + ... + 9133.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 2^12100051 is an apocalyptic number.

12100051 is a deficient number, since it is larger than the sum of its proper divisors (17549).

12100051 is an equidigital number, since it uses as much as digits as its factorization.

12100051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17548.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 12100051 is about 3478.5127569121. The cubic root of 12100051 is about 229.5773650124.

Adding to 12100051 its reverse (15000121), we get a palindrome (27100172).

The spelling of 12100051 in words is "twelve million, one hundred thousand, fifty-one".