1213862773834 has 8 divisors (see below), whose sum is σ = 1822273282368. Its totient is φ = 606438346380.

The previous prime is 1213862773831. The next prime is 1213862773859. The reversal of 1213862773834 is 4383772683121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1213862773831) 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 in 3 ways as a sum of consecutive naturals, for example, 246517192 + ... + 246522115.

It is an arithmetic number, because the mean of its divisors is an integer number (227784160296).

Almost surely, 2^{1213862773834} is an apocalyptic number.

1213862773834 is a deficient number, since it is larger than the sum of its proper divisors (608410508534).

1213862773834 is a wasteful number, since it uses less digits than its factorization.

1213862773834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493040540.

The product of its digits is 8128512, while the sum is 55.

The spelling of 1213862773834 in words is "one trillion, two hundred thirteen billion, eight hundred sixty-two million, seven hundred seventy-three thousand, eight hundred thirty-four".