212002001020 has 48 divisors (see below), whose sum is σ = 449994198528. Its totient is φ = 83893239360.

The previous prime is 212002000993. The next prime is 212002001021. The reversal of 212002001020 is 20100200212.

212002001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 212002000988 and 212002001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554329 + ... + 855151.

It is an arithmetic number, because the mean of its divisors is an integer number (9374879136).

Almost surely, 2^212002001020 is an apocalyptic number.

212002001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002001020 is an abundant number, since it is smaller than the sum of its proper divisors (237992197508).

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

212002001020 is a wasteful number, since it uses less digits than its factorization.

212002001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301210 (or 301208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 212002001020 its reverse (20100200212), we get a palindrome (232102201232).

The spelling of 212002001020 in words is "two hundred twelve billion, two million, one thousand, twenty".