12102593481 has 16 divisors (see below), whose sum is σ = 19559747520. Its totient is φ = 7334904960.

The previous prime is 12102593449. The next prime is 12102593549. The reversal of 12102593481 is 18439520121.

12102593481 is a `hidden beast` number, since 1 + 21 + 0 + 2 + 593 + 48 + 1 = 666.

It is not a de Polignac number, because 12102593481 - 2⁵ = 12102593449 is a prime.

It is a super-2 number, since 2×12102593481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102583481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20374440 + ... + 20375033.

It is an arithmetic number, because the mean of its divisors is an integer number (1222484220).

Almost surely, 2^12102593481 is an apocalyptic number.

12102593481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102593481 is a deficient number, since it is larger than the sum of its proper divisors (7457154039).

12102593481 is a wasteful number, since it uses less digits than its factorization.

12102593481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40749493 (or 40749487 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12102593481 in words is "twelve billion, one hundred two million, five hundred ninety-three thousand, four hundred eighty-one".