1228776832275 has 12 divisors (see below), whose sum is σ = 2031577696152. Its totient is φ = 655347643840.

The previous prime is 1228776832181. The next prime is 1228776832291. The reversal of 1228776832275 is 5722386778221.

It is a happy number.

It is not a de Polignac number, because 1228776832275 - 2¹⁰ = 1228776831251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8191845474 + ... + 8191845623.

It is an arithmetic number, because the mean of its divisors is an integer number (169298141346).

Almost surely, 2^{1228776832275} is an apocalyptic number.

1228776832275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1228776832275 is a deficient number, since it is larger than the sum of its proper divisors (802800863877).

1228776832275 is a wasteful number, since it uses less digits than its factorization.

1228776832275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383691110 (or 16383691105 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 60.

The spelling of 1228776832275 in words is "one trillion, two hundred twenty-eight billion, seven hundred seventy-six million, eight hundred thirty-two thousand, two hundred seventy-five".