109243397712 has 40 divisors (see below), whose sum is σ = 294482205504. Its totient is φ = 34831227904.

The previous prime is 109243397707. The next prime is 109243397743. The reversal of 109243397712 is 217793342901.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49475073 + ... + 49477280.

Almost surely, 2^109243397712 is an apocalyptic number.

109243397712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109243397712 is an abundant number, since it is smaller than the sum of its proper divisors (185238807792).

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

109243397712 is a wasteful number, since it uses less digits than its factorization.

109243397712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98952387 (or 98952381 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 109243397712 in words is "one hundred nine billion, two hundred forty-three million, three hundred ninety-seven thousand, seven hundred twelve".