212020120120 has 16 divisors (see below), whose sum is σ = 477045270360. Its totient is φ = 84808048032.

The previous prime is 212020120057. The next prime is 212020120121. The reversal of 212020120120 is 21021020212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212020120120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020120121) 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 3 ways as a sum of consecutive naturals, for example, 2650251462 + ... + 2650251541.

Almost surely, 2^212020120120 is an apocalyptic number.

212020120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020120120 is an abundant number, since it is smaller than the sum of its proper divisors (265025150240).

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

212020120120 is a wasteful number, since it uses less digits than its factorization.

212020120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300503014 (or 5300503010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212020120120 its reverse (21021020212), we get a palindrome (233041140332).

The spelling of 212020120120 in words is "two hundred twelve billion, twenty million, one hundred twenty thousand, one hundred twenty".