12351811440287 has 16 divisors (see below), whose sum is σ = 13654747002624. Its totient is φ = 11079582624000.

The previous prime is 12351811440257. The next prime is 12351811440307. The reversal of 12351811440287 is 78204411815321.

It is not a de Polignac number, because 12351811440287 - 2⁶ = 12351811440223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351811440247) 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, 17133539 + ... + 17839892.

It is an arithmetic number, because the mean of its divisors is an integer number (853421687664).

Almost surely, 2^{12351811440287} is an apocalyptic number.

12351811440287 is a deficient number, since it is larger than the sum of its proper divisors (1302935562337).

12351811440287 is a wasteful number, since it uses less digits than its factorization.

12351811440287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34973870.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 12351811440287 in words is "twelve trillion, three hundred fifty-one billion, eight hundred eleven million, four hundred forty thousand, two hundred eighty-seven".