12002151531 has 8 divisors (see below), whose sum is σ = 16048723600. Its totient is φ = 7978506912.

The previous prime is 12002151527. The next prime is 12002151607. The reversal of 12002151531 is 13515120021.

12002151531 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 not a de Polignac number, because 12002151531 - 2² = 12002151527 is a prime.

It is a super-2 number, since 2×12002151531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002151498 and 12002151507.

It is not an unprimeable number, because it can be changed into a prime (12002152531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730640 + ... + 5732733.

It is an arithmetic number, because the mean of its divisors is an integer number (2006090450).

Almost surely, 2^12002151531 is an apocalyptic number.

12002151531 is a deficient number, since it is larger than the sum of its proper divisors (4046572069).

12002151531 is a wasteful number, since it uses less digits than its factorization.

12002151531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463725.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 12002151531 its reverse (13515120021), we get a palindrome (25517271552).

The spelling of 12002151531 in words is "twelve billion, two million, one hundred fifty-one thousand, five hundred thirty-one".