1284056211622 has 8 divisors (see below), whose sum is σ = 1926110961000. Its totient is φ = 642019224624.

The previous prime is 1284056211619. The next prime is 1284056211679. The reversal of 1284056211622 is 2261126504821.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258372 + ... + 4549927.

It is an arithmetic number, because the mean of its divisors is an integer number (240763870125).

Almost surely, 2^{1284056211622} is an apocalyptic number.

1284056211622 is a deficient number, since it is larger than the sum of its proper divisors (642054749378).

1284056211622 is an equidigital number, since it uses as much as digits as its factorization.

1284056211622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881190.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 1284056211622 in words is "one trillion, two hundred eighty-four billion, fifty-six million, two hundred eleven thousand, six hundred twenty-two".