99747241200 has 180 divisors, whose sum is σ = 364369338840. Its totient is φ = 25199285760.

The previous prime is 99747241199. The next prime is 99747241201. The reversal of 99747241200 is 214274799.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99747241199) and next prime (99747241201).

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99747241201) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 660747 + ... + 797546.

Almost surely, 2^99747241200 is an apocalyptic number.

99747241200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99747241200 is an abundant number, since it is smaller than the sum of its proper divisors (264622097640).

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

99747241200 is a wasteful number, since it uses less digits than its factorization.

99747241200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458336 (or 1458322 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 99747241200 in words is "ninety-nine billion, seven hundred forty-seven million, two hundred forty-one thousand, two hundred".