212021002212 has 48 divisors (see below), whose sum is σ = 517259904000. Its totient is φ = 67465382688.

The previous prime is 212021002211. The next prime is 212021002213. The reversal of 212021002212 is 212200120212.

It is an interprime number because it is at equal distance from previous prime (212021002211) and next prime (212021002213).

It is a junction number, because it is equal to n+sod(n) for n = 212021002191 and 212021002200.

It is not an unprimeable number, because it can be changed into a prime (212021002211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632008 + ... + 907455.

It is an arithmetic number, because the mean of its divisors is an integer number (10776248000).

Almost surely, 2^212021002212 is an apocalyptic number.

It is an amenable number.

212021002212 is an abundant number, since it is smaller than the sum of its proper divisors (305238901788).

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

212021002212 is a wasteful number, since it uses less digits than its factorization.

212021002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539992 (or 1539990 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212021002212 its reverse (212200120212), we get a palindrome (424221122424).

The spelling of 212021002212 in words is "two hundred twelve billion, twenty-one million, two thousand, two hundred twelve".