12021141 has 16 divisors (see below), whose sum is σ = 17686080. Its totient is φ = 7201920.

The previous prime is 12021131. The next prime is 12021179. The reversal of 12021141 is 14112021.

It is a happy number.

It is not a de Polignac number, because 12021141 - 2⁷ = 12021013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (1105380).

Almost surely, 2^12021141 is an apocalyptic number.

12021141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021141 is a deficient number, since it is larger than the sum of its proper divisors (5664939).

12021141 is a wasteful number, since it uses less digits than its factorization.

12021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196.

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

The square root of 12021141 is about 3467.1517128617. The cubic root of 12021141 is about 229.0772163218.

Adding to 12021141 its reverse (14112021), we get a palindrome (26133162).

It can be divided in two parts, 12021 and 141, that multiplied together give a palindrome (1694961).

The spelling of 12021141 in words is "twelve million, twenty-one thousand, one hundred forty-one".