12101049 has 8 divisors (see below), whose sum is σ = 17927520. Its totient is φ = 8067348.

The previous prime is 12101021. The next prime is 12101053. The reversal of 12101049 is 94010121.

12101049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12101049 - 2⁸ = 12100793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224067 + ... + 224120.

It is an arithmetic number, because the mean of its divisors is an integer number (2240940).

Almost surely, 2^12101049 is an apocalyptic number.

It is an amenable number.

12101049 is a deficient number, since it is larger than the sum of its proper divisors (5826471).

12101049 is an equidigital number, since it uses as much as digits as its factorization.

12101049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448196 (or 448190 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12101049 is about 3478.6562060658. The cubic root of 12101049 is about 229.5836766087.

The spelling of 12101049 in words is "twelve million, one hundred one thousand, forty-nine".