212020313004 has 36 divisors (see below), whose sum is σ = 554420936160. Its totient is φ = 68236422240.

The previous prime is 212020312997. The next prime is 212020313041. The reversal of 212020313004 is 400313020212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×212020313004² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101541252 + ... + 101543339.

It is an arithmetic number, because the mean of its divisors is an integer number (15400581560).

Almost surely, 2^212020313004 is an apocalyptic number.

It is an amenable number.

212020313004 is an abundant number, since it is smaller than the sum of its proper divisors (342400623156).

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

212020313004 is a wasteful number, since it uses less digits than its factorization.

212020313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203084630 (or 203084625 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020313004 its reverse (400313020212), we get a palindrome (612333333216).

The spelling of 212020313004 in words is "two hundred twelve billion, twenty million, three hundred thirteen thousand, four".