212201312020 has 48 divisors (see below), whose sum is σ = 456816568320. Its totient is φ = 82768023936.

The previous prime is 212201311969. The next prime is 212201312027. The reversal of 212201312020 is 20213102212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212201311985 and 212201312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201312027) 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 15 ways as a sum of consecutive naturals, for example, 441300 + ... + 786859.

It is an arithmetic number, because the mean of its divisors is an integer number (9517011840).

Almost surely, 2^212201312020 is an apocalyptic number.

212201312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201312020 is an abundant number, since it is smaller than the sum of its proper divisors (244615256300).

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

212201312020 is a wasteful number, since it uses less digits than its factorization.

212201312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228384 (or 1228382 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212201312020 its reverse (20213102212), we get a palindrome (232414414232).

The spelling of 212201312020 in words is "two hundred twelve billion, two hundred one million, three hundred twelve thousand, twenty".