1203665222126 has 16 divisors (see below), whose sum is σ = 1809053939088. Its totient is φ = 600647817600.

The previous prime is 1203665222117. The next prime is 1203665222161. The reversal of 1203665222126 is 6212225663021.

It is a self number, because there is not a number n which added to its sum of digits gives 1203665222126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105361 + ... + 4388771.

It is an arithmetic number, because the mean of its divisors is an integer number (113065871193).

Almost surely, 2^{1203665222126} is an apocalyptic number.

1203665222126 is a deficient number, since it is larger than the sum of its proper divisors (605388716962).

1203665222126 is a wasteful number, since it uses less digits than its factorization.

1203665222126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287587.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1203665222126 in words is "one trillion, two hundred three billion, six hundred sixty-five million, two hundred twenty-two thousand, one hundred twenty-six".