11420012242 has 16 divisors (see below), whose sum is σ = 18213569280. Its totient is φ = 5351633728.

The previous prime is 11420012231. The next prime is 11420012249. The reversal of 11420012242 is 24221002411.

It is not an unprimeable number, because it can be changed into a prime (11420012249) 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, 694558 + ... + 710809.

It is an arithmetic number, because the mean of its divisors is an integer number (1138348080).

Almost surely, 2^11420012242 is an apocalyptic number.

11420012242 is a deficient number, since it is larger than the sum of its proper divisors (6793557038).

11420012242 is a wasteful number, since it uses less digits than its factorization.

11420012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405625.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11420012242 its reverse (24221002411), we get a palindrome (35641014653).

The spelling of 11420012242 in words is "eleven billion, four hundred twenty million, twelve thousand, two hundred forty-two".