1172098205112 has 16 divisors (see below), whose sum is σ = 2930245512840. Its totient is φ = 390699401696.

The previous prime is 1172098205111. The next prime is 1172098205137. The reversal of 1172098205112 is 2115028902711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172098205111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24418712583 + ... + 24418712630.

Almost surely, 2^{1172098205112} is an apocalyptic number.

1172098205112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1172098205112 is an abundant number, since it is smaller than the sum of its proper divisors (1758147307728).

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

1172098205112 is a wasteful number, since it uses less digits than its factorization.

1172098205112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48837425222 (or 48837425218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 1172098205112 in words is "one trillion, one hundred seventy-two billion, ninety-eight million, two hundred five thousand, one hundred twelve".