12006210531 has 32 divisors (see below), whose sum is σ = 18416295936. Its totient is φ = 6815376000.

The previous prime is 12006210529. The next prime is 12006210533. The reversal of 12006210531 is 13501260021.

It is an interprime number because it is at equal distance from previous prime (12006210529) and next prime (12006210533).

It is not a de Polignac number, because 12006210531 - 2¹ = 12006210529 is a prime.

It is a super-2 number, since 2×12006210531² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12006210498 and 12006210507.

It is not an unprimeable number, because it can be changed into a prime (12006210533) 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, 3772761 + ... + 3775941.

It is an arithmetic number, because the mean of its divisors is an integer number (575509248).

Almost surely, 2^12006210531 is an apocalyptic number.

12006210531 is a deficient number, since it is larger than the sum of its proper divisors (6410085405).

12006210531 is a wasteful number, since it uses less digits than its factorization.

12006210531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12006210531 its reverse (13501260021), we get a palindrome (25507470552).

The spelling of 12006210531 in words is "twelve billion, six million, two hundred ten thousand, five hundred thirty-one".