2104121206 has 16 divisors (see below), whose sum is σ = 3444281280. Its totient is φ = 956092680.

The previous prime is 2104121119. The next prime is 2104121207. The reversal of 2104121206 is 6021214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104121207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57025 + ... + 86371.

It is an arithmetic number, because the mean of its divisors is an integer number (215267580).

Almost surely, 2^2104121206 is an apocalyptic number.

2104121206 is a deficient number, since it is larger than the sum of its proper divisors (1340160074).

2104121206 is a wasteful number, since it uses less digits than its factorization.

2104121206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32619.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2104121206 is about 45870.7009538769. The cubic root of 2104121206 is about 1281.4163208525.

Adding to 2104121206 its reverse (6021214012), we get a palindrome (8125335218).

The spelling of 2104121206 in words is "two billion, one hundred four million, one hundred twenty-one thousand, two hundred six".