1226251036216 has 32 divisors (see below), whose sum is σ = 2314263286800. Its totient is φ = 609122764800.

The previous prime is 1226251036207. The next prime is 1226251036243. The reversal of 1226251036216 is 6126301526221.

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, 603666 + ... + 1678366.

Almost surely, 2^{1226251036216} is an apocalyptic number.

It is an amenable number.

1226251036216 is a deficient number, since it is larger than the sum of its proper divisors (1088012250584).

1226251036216 is a wasteful number, since it uses less digits than its factorization.

1226251036216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075639 (or 1075635 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1226251036216 in words is "one trillion, two hundred twenty-six billion, two hundred fifty-one million, thirty-six thousand, two hundred sixteen".