212020100212 has 12 divisors (see below), whose sum is σ = 371038481856. Its totient is φ = 106009105400.

The previous prime is 212020100209. The next prime is 212020100219. The reversal of 212020100212 is 212001020212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212020100192 and 212020100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020100219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589587 + ... + 878437.

It is an arithmetic number, because the mean of its divisors is an integer number (30919873488).

Almost surely, 2^212020100212 is an apocalyptic number.

It is an amenable number.

212020100212 is a deficient number, since it is larger than the sum of its proper divisors (159018381644).

212020100212 is a wasteful number, since it uses less digits than its factorization.

212020100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472358 (or 472356 counting only the distinct ones).

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

Adding to 212020100212 its reverse (212001020212), we get a palindrome (424021120424).

The spelling of 212020100212 in words is "two hundred twelve billion, twenty million, one hundred thousand, two hundred twelve".