200021110122012 has 48 divisors (see below), whose sum is σ = 494358345264672. Its totient is φ = 62727778754560.

The previous prime is 200021110121947. The next prime is 200021110122017. The reversal of 200021110122012 is 210221011120002.

It is a junction number, because it is equal to n+sod(n) for n = 200021110121982 and 200021110122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021110122017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186511413 + ... + 187580780.

It is an arithmetic number, because the mean of its divisors is an integer number (10299132193014).

Almost surely, 2^{200021110122012} is an apocalyptic number.

It is an amenable number.

200021110122012 is an abundant number, since it is smaller than the sum of its proper divisors (294337235142660).

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

200021110122012 is a wasteful number, since it uses less digits than its factorization.

200021110122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374094838 (or 374094836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200021110122012 its reverse (210221011120002), we get a palindrome (410242121242014).

The spelling of 200021110122012 in words is "two hundred trillion, twenty-one billion, one hundred ten million, one hundred twenty-two thousand, twelve".