10020020121200 has 60 divisors (see below), whose sum is σ = 24077943880968. Its totient is φ = 4007201299200.

The previous prime is 10020020121187. The next prime is 10020020121233. The reversal of 10020020121200 is 212102002001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529406 + ... + 4507805.

Almost surely, 2^{10020020121200} is an apocalyptic number.

10020020121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020020121200 is an abundant number, since it is smaller than the sum of its proper divisors (14057923759768).

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

10020020121200 is a wasteful number, since it uses less digits than its factorization.

10020020121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042202 (or 5042191 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020020121200 its reverse (212102002001), we get a palindrome (10232122123201).

The spelling of 10020020121200 in words is "ten trillion, twenty billion, twenty million, one hundred twenty-one thousand, two hundred".