1256300344142 has 4 divisors (see below), whose sum is σ = 1884450516216. Its totient is φ = 628150172070.

The previous prime is 1256300344141. The next prime is 1256300344157. The reversal of 1256300344142 is 2414430036521.

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

It is a super-3 number, since 3×1256300344142³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256300344141) 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, 314075086034 + ... + 314075086037.

It is an arithmetic number, because the mean of its divisors is an integer number (471112629054).

Almost surely, 2^{1256300344142} is an apocalyptic number.

1256300344142 is a deficient number, since it is larger than the sum of its proper divisors (628150172074).

1256300344142 is an equidigital number, since it uses as much as digits as its factorization.

1256300344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628150172073.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 1256300344142 in words is "one trillion, two hundred fifty-six billion, three hundred million, three hundred forty-four thousand, one hundred forty-two".