202321200012 has 12 divisors (see below), whose sum is σ = 472082800056. Its totient is φ = 67440400000.

The previous prime is 202321199957. The next prime is 202321200019. The reversal of 202321200012 is 210002123202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 202321199964 and 202321200000.

It is not an unprimeable number, because it can be changed into a prime (202321200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8430049989 + ... + 8430050012.

It is an arithmetic number, because the mean of its divisors is an integer number (39340233338).

Almost surely, 2^202321200012 is an apocalyptic number.

It is an amenable number.

202321200012 is an abundant number, since it is smaller than the sum of its proper divisors (269761600044).

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

202321200012 is a wasteful number, since it uses less digits than its factorization.

202321200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860100008 (or 16860100006 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202321200012 its reverse (210002123202), we get a palindrome (412323323214).

The spelling of 202321200012 in words is "two hundred two billion, three hundred twenty-one million, two hundred thousand, twelve".