12351018087 has 24 divisors (see below), whose sum is σ = 17919442944. Its totient is φ = 8197594704.

The previous prime is 12351018061. The next prime is 12351018103. The reversal of 12351018087 is 78081015321.

12351018087 is a `hidden beast` number, since 123 + 510 + 18 + 0 + 8 + 7 = 666.

It is not a de Polignac number, because 12351018087 - 2⁸ = 12351017831 is a prime.

It is a super-2 number, since 2×12351018087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351018487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2089378 + ... + 2095280.

It is an arithmetic number, because the mean of its divisors is an integer number (746643456).

Almost surely, 2^12351018087 is an apocalyptic number.

12351018087 is a deficient number, since it is larger than the sum of its proper divisors (5568424857).

12351018087 is a wasteful number, since it uses less digits than its factorization.

12351018087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6896 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 12351018087 in words is "twelve billion, three hundred fifty-one million, eighteen thousand, eighty-seven".