12101530523200 has 84 divisors (see below), whose sum is σ = 30469824729520. Its totient is φ = 4728039805440.

The previous prime is 12101530523189. The next prime is 12101530523209. The reversal of 12101530523200 is 232503510121.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12101530523209) 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 11 ways as a sum of consecutive naturals, for example, 87878370 + ... + 88015969.

Almost surely, 2^{12101530523200} is an apocalyptic number.

12101530523200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101530523200 is an abundant number, since it is smaller than the sum of its proper divisors (18368294206320).

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

12101530523200 is a wasteful number, since it uses less digits than its factorization.

12101530523200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175894404 (or 175894389 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12101530523200 in words is "twelve trillion, one hundred one billion, five hundred thirty million, five hundred twenty-three thousand, two hundred".