12011942 has 8 divisors (see below), whose sum is σ = 18599232. Its totient is φ = 5812200.

The previous prime is 12011941. The next prime is 12011953. The reversal of 12011942 is 24911021.

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

It is a super-2 number, since 2×12011942² = 288573501222728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011941) 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 3 ways as a sum of consecutive naturals, for example, 96809 + ... + 96932.

It is an arithmetic number, because the mean of its divisors is an integer number (2324904).

Almost surely, 2^12011942 is an apocalyptic number.

12011942 is a deficient number, since it is larger than the sum of its proper divisors (6587290).

12011942 is a wasteful number, since it uses less digits than its factorization.

12011942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193774.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 12011942 is about 3465.8248657426. The cubic root of 12011942 is about 229.0187687623.

Adding to 12011942 its reverse (24911021), we get a palindrome (36922963).

The spelling of 12011942 in words is "twelve million, eleven thousand, nine hundred forty-two".