12010999 has 32 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 8517600.

The previous prime is 12010963. The next prime is 12011009. The reversal of 12010999 is 99901021.

It is not a de Polignac number, because 12010999 - 2¹¹ = 12008951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12010999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169134 + ... + 169204.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 2^12010999 is an apocalyptic number.

12010999 is a deficient number, since it is larger than the sum of its proper divisors (4439561).

12010999 is an equidigital number, since it uses as much as digits as its factorization.

12010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 12010999 is about 3465.6888204223. The cubic root of 12010999 is about 229.0127755501.

The spelling of 12010999 in words is "twelve million, ten thousand, nine hundred ninety-nine".