12287057243386 has 4 divisors (see below), whose sum is σ = 18430585865082. Its totient is φ = 6143528621692.

The previous prime is 12287057243359. The next prime is 12287057243423. The reversal of 12287057243386 is 68334275078221.

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

It can be written as a sum of positive squares in only one way, i.e., 12160082611161 + 126974632225 = 3487131^2 + 356335^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12287057243386.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071764310845 + ... + 3071764310848.

Almost surely, 2^{12287057243386} is an apocalyptic number.

12287057243386 is a deficient number, since it is larger than the sum of its proper divisors (6143528621696).

12287057243386 is an equidigital number, since it uses as much as digits as its factorization.

12287057243386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143528621695.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 12287057243386 in words is "twelve trillion, two hundred eighty-seven billion, fifty-seven million, two hundred forty-three thousand, three hundred eighty-six".