2104012242 has 48 divisors (see below), whose sum is σ = 4849876512. Its totient is φ = 656933760.

The previous prime is 2104012241. The next prime is 2104012249. The reversal of 2104012242 is 2422104012.

2104012242 is a `hidden beast` number, since 21 + 0 + 401 + 2 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2104012241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48273 + ... + 80859.

It is an arithmetic number, because the mean of its divisors is an integer number (101039094).

Almost surely, 2^2104012242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104012242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424938256).

2104012242 is an abundant number, since it is smaller than the sum of its proper divisors (2745864270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104012242 is a wasteful number, since it uses less digits than its factorization.

2104012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823 (or 32820 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2104012242 is about 45869.5132086662. The cubic root of 2104012242 is about 1281.3942006664.

Adding to 2104012242 its reverse (2422104012), we get a palindrome (4526116254).

The spelling of 2104012242 in words is "two billion, one hundred four million, twelve thousand, two hundred forty-two".