12101001021200 has 240 divisors, whose sum is σ = 36613867145856. Its totient is φ = 3740702515200.

The previous prime is 12101001021133. The next prime is 12101001021203. The reversal of 12101001021200 is 212010010121.

It is not an unprimeable number, because it can be changed into a prime (12101001021203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2300441 + ... + 5430840.

Almost surely, 2^{12101001021200} is an apocalyptic number.

12101001021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101001021200 is an abundant number, since it is smaller than the sum of its proper divisors (24512866124656).

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

12101001021200 is a wasteful number, since it uses less digits than its factorization.

12101001021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731362 (or 7731351 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101001021200 its reverse (212010010121), we get a palindrome (12313011031321).

The spelling of 12101001021200 in words is "twelve trillion, one hundred one billion, one million, twenty-one thousand, two hundred".