1198210716928 has 36 divisors (see below), whose sum is σ = 2436868138068. Its totient is φ = 587801477120.

The previous prime is 1198210716877. The next prime is 1198210717009. The reversal of 1198210716928 is 8296170128911.

It can be written as a sum of positive squares in 2 ways, for example, as 605483184384 + 592727532544 = 778128^2 + 769888^2 .

It is a super-2 number, since 2×1198210716928² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 44142193 + ... + 44169328.

It is an arithmetic number, because the mean of its divisors is an integer number (67690781613).

Almost surely, 2^{1198210716928} is an apocalyptic number.

It is an amenable number.

1198210716928 is an abundant number, since it is smaller than the sum of its proper divisors (1238657421140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198210716928 is an frugal number, since it uses more digits than its factorization.

1198210716928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88311590 (or 88311576 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 55.

The spelling of 1198210716928 in words is "one trillion, one hundred ninety-eight billion, two hundred ten million, seven hundred sixteen thousand, nine hundred twenty-eight".