200202120021012 has 96 divisors (see below), whose sum is σ = 485600669890560. Its totient is φ = 64141785861120.

The previous prime is 200202120020989. The next prime is 200202120021017. The reversal of 200202120021012 is 210120021202002.

It is a junction number, because it is equal to n+sod(n) for n = 200202120020982 and 200202120021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202120021017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40623462 + ... + 45284322.

It is an arithmetic number, because the mean of its divisors is an integer number (5058340311360).

Almost surely, 2^{200202120021012} is an apocalyptic number.

It is an amenable number.

200202120021012 is an abundant number, since it is smaller than the sum of its proper divisors (285398549869548).

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

200202120021012 is a wasteful number, since it uses less digits than its factorization.

200202120021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662081 (or 4662079 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200202120021012 its reverse (210120021202002), we get a palindrome (410322141223014).

The spelling of 200202120021012 in words is "two hundred trillion, two hundred two billion, one hundred twenty million, twenty-one thousand, twelve".