20200122100212 has 12 divisors (see below), whose sum is σ = 47133618233856. Its totient is φ = 6733374033400.

The previous prime is 20200122100201. The next prime is 20200122100253. The reversal of 20200122100212 is 21200122100202.

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 = 20200122100191 and 20200122100200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841671754164 + ... + 841671754187.

It is an arithmetic number, because the mean of its divisors is an integer number (3927801519488).

Almost surely, 2^{20200122100212} is an apocalyptic number.

It is an amenable number.

20200122100212 is an abundant number, since it is smaller than the sum of its proper divisors (26933496133644).

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

20200122100212 is a wasteful number, since it uses less digits than its factorization.

20200122100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683343508358 (or 1683343508356 counting only the distinct ones).

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

Adding to 20200122100212 its reverse (21200122100202), we get a palindrome (41400244200414).

The spelling of 20200122100212 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, one hundred thousand, two hundred twelve".