12201123122300 has 108 divisors (see below), whose sum is σ = 30800807840880. Its totient is φ = 4183013076480.

The previous prime is 12201123122281. The next prime is 12201123122303. The reversal of 12201123122300 is 322132110221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201123122303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106336361 + ... + 106451039.

Almost surely, 2^{12201123122300} is an apocalyptic number.

12201123122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201123122300 is an abundant number, since it is smaller than the sum of its proper divisors (18599684718580).

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

12201123122300 is a wasteful number, since it uses less digits than its factorization.

12201123122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136420 (or 136406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12201123122300 its reverse (322132110221), we get a palindrome (12523255232521).

The spelling of 12201123122300 in words is "twelve trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred".