12101965 has 8 divisors (see below), whose sum is σ = 14581728. Its totient is φ = 9642000.

The previous prime is 12101927. The next prime is 12102001. The reversal of 12101965 is 56910121.

12101965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12101965 - 2¹¹ = 12099917 is a prime.

It is a super-2 number, since 2×12101965² = 292915113722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 3567 + ... + 6076.

It is an arithmetic number, because the mean of its divisors is an integer number (1822716).

Almost surely, 2^12101965 is an apocalyptic number.

It is an amenable number.

12101965 is a deficient number, since it is larger than the sum of its proper divisors (2479763).

12101965 is an equidigital number, since it uses as much as digits as its factorization.

12101965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 12101965 is about 3478.7878636100. The cubic root of 12101965 is about 229.5894693115.

The spelling of 12101965 in words is "twelve million, one hundred one thousand, nine hundred sixty-five".