12000151535 has 4 divisors (see below), whose sum is σ = 14400181848. Its totient is φ = 9600121224.

The previous prime is 12000151489. The next prime is 12000151589. The reversal of 12000151535 is 53515100021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000151535 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000151535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200015149 + ... + 1200015158.

It is an arithmetic number, because the mean of its divisors is an integer number (3600045462).

Almost surely, 2^12000151535 is an apocalyptic number.

12000151535 is a deficient number, since it is larger than the sum of its proper divisors (2400030313).

12000151535 is an equidigital number, since it uses as much as digits as its factorization.

12000151535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400030312.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 12000151535 its reverse (53515100021), we get a palindrome (65515251556).

The spelling of 12000151535 in words is "twelve billion, one hundred fifty-one thousand, five hundred thirty-five".