12010551 has 24 divisors (see below), whose sum is σ = 19451520. Its totient is φ = 6456192.

The previous prime is 12010543. The next prime is 12010561. The reversal of 12010551 is 15501021.

It is not a de Polignac number, because 12010551 - 2³ = 12010543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12010551.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5080 + ... + 7058.

It is an arithmetic number, because the mean of its divisors is an integer number (810480).

Almost surely, 2^12010551 is an apocalyptic number.

12010551 is a deficient number, since it is larger than the sum of its proper divisors (7440969).

12010551 is a wasteful number, since it uses less digits than its factorization.

12010551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 12010551 is about 3465.6241862037. The cubic root of 12010551 is about 229.0099281878.

Adding to 12010551 its reverse (15501021), we get a palindrome (27511572).

It can be divided in two parts, 12010 and 551, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12010551 in words is "twelve million, ten thousand, five hundred fifty-one".