12142011 has 8 divisors (see below), whose sum is σ = 18502144. Its totient is φ = 6938280.

The previous prime is 12142001. The next prime is 12142019. The reversal of 12142011 is 11024121.

It is a happy number.

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

It is not a de Polignac number, because 12142011 - 2⁵ = 12141979 is a prime.

It is a super-2 number, since 2×12142011² = 294856862248242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142019) 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, 289075 + ... + 289116.

It is an arithmetic number, because the mean of its divisors is an integer number (2312768).

Almost surely, 2^12142011 is an apocalyptic number.

12142011 is a deficient number, since it is larger than the sum of its proper divisors (6360133).

12142011 is an equidigital number, since it uses as much as digits as its factorization.

12142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578201.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12142011 is about 3484.5388504076. The cubic root of 12142011 is about 229.8424314600.

Adding to 12142011 its reverse (11024121), we get a palindrome (23166132).

The spelling of 12142011 in words is "twelve million, one hundred forty-two thousand, eleven".