12010531 has 8 divisors (see below), whose sum is σ = 13497120. Its totient is φ = 10604352.

The previous prime is 12010529. The next prime is 12010541. The reversal of 12010531 is 13501021.

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

It is a cyclic number.

It is not a de Polignac number, because 12010531 - 2¹ = 12010529 is a prime.

It is a super-2 number, since 2×12010531² = 288505709803922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12010501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19786 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (1687140).

Almost surely, 2^12010531 is an apocalyptic number.

12010531 is a deficient number, since it is larger than the sum of its proper divisors (1486589).

12010531 is a wasteful number, since it uses less digits than its factorization.

12010531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12010531 is about 3465.6213007194. The cubic root of 12010531 is about 229.0098010717.

Adding to 12010531 its reverse (13501021), we get a palindrome (25511552).

The spelling of 12010531 in words is "twelve million, ten thousand, five hundred thirty-one".