212210012000020 has 48 divisors (see below), whose sum is σ = 467126837610048. Its totient is φ = 80887764061440.

The previous prime is 212210011999963. The next prime is 212210012000027. The reversal of 212210012000020 is 20000210012212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210012000027) 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, 3009182154 + ... + 3009252673.

It is an arithmetic number, because the mean of its divisors is an integer number (9731809116876).

Almost surely, 2^{212210012000020} is an apocalyptic number.

212210012000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210012000020 is an abundant number, since it is smaller than the sum of its proper divisors (254916825610028).

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

212210012000020 is a wasteful number, since it uses less digits than its factorization.

212210012000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018434920 (or 6018434918 counting only the distinct ones).

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

Adding to 212210012000020 its reverse (20000210012212), we get a palindrome (232210222012232).

The spelling of 212210012000020 in words is "two hundred twelve trillion, two hundred ten billion, twelve million, twenty", and thus it is an aban number.