12200531 has 8 divisors (see below), whose sum is σ = 13964640. Its totient is φ = 10441728.

The previous prime is 12200521. The next prime is 12200533. The reversal of 12200531 is 13500221.

It is a happy number.

12200531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12200531 - 2¹⁰ = 12199507 is a prime.

It is a super-2 number, since 2×12200531² = 297705913363922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200533) 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, 7955 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (1745580).

Almost surely, 2^12200531 is an apocalyptic number.

12200531 is a deficient number, since it is larger than the sum of its proper divisors (1764109).

12200531 is a wasteful number, since it uses less digits than its factorization.

12200531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12200531 is about 3492.9258509164. The cubic root of 12200531 is about 230.2110916472.

Adding to 12200531 its reverse (13500221), we get a palindrome (25700752).

It can be divided in two parts, 12200 and 531, that multiplied together give a triangular number (6478200 = T₃₅₉₉).

The spelling of 12200531 in words is "twelve million, two hundred thousand, five hundred thirty-one".