12109051 has 2 divisors, whose sum is σ = 12109052. Its totient is φ = 12109050.

The previous prime is 12109039. The next prime is 12109057. The reversal of 12109051 is 15090121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12109051 - 2¹¹ = 12107003 is a prime.

It is a super-2 number, since 2×12109051² = 293258232241202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12109057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054525 + 6054526.

It is an arithmetic number, because the mean of its divisors is an integer number (6054526).

Almost surely, 2^12109051 is an apocalyptic number.

12109051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12109051 is an equidigital number, since it uses as much as digits as its factorization.

12109051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 12109051 is about 3479.8061727631. The cubic root of 12109051 is about 229.6342706739.

Adding to 12109051 its reverse (15090121), we get a palindrome (27199172).

The spelling of 12109051 in words is "twelve million, one hundred nine thousand, fifty-one".