12258013268434 has 4 divisors (see below), whose sum is σ = 18387019902654. Its totient is φ = 6129006634216.

The previous prime is 12258013268429. The next prime is 12258013268437. The reversal of 12258013268434 is 43486231085221.

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., 10067326139025 + 2190687129409 = 3172905^2 + 1480097^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12258013268437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064503317107 + ... + 3064503317110.

Almost surely, 2^{12258013268434} is an apocalyptic number.

12258013268434 is a deficient number, since it is larger than the sum of its proper divisors (6129006634220).

12258013268434 is an equidigital number, since it uses as much as digits as its factorization.

12258013268434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129006634219.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 12258013268434 in words is "twelve trillion, two hundred fifty-eight billion, thirteen million, two hundred sixty-eight thousand, four hundred thirty-four".