20221200210012 has 12 divisors (see below), whose sum is σ = 47182800490056. Its totient is φ = 6740400070000.

The previous prime is 20221200209971. The next prime is 20221200210047. The reversal of 20221200210012 is 21001200212202.

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 = 20221200209973 and 20221200210000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842550008739 + ... + 842550008762.

It is an arithmetic number, because the mean of its divisors is an integer number (3931900040838).

Almost surely, 2^{20221200210012} is an apocalyptic number.

It is an amenable number.

20221200210012 is an abundant number, since it is smaller than the sum of its proper divisors (26961600280044).

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

20221200210012 is a wasteful number, since it uses less digits than its factorization.

20221200210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685100017508 (or 1685100017506 counting only the distinct ones).

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

Adding to 20221200210012 its reverse (21001200212202), we get a palindrome (41222400422214).

The spelling of 20221200210012 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, two hundred ten thousand, twelve".