212021130012 has 24 divisors (see below), whose sum is σ = 494847334800. Its totient is φ = 70654943616.

The previous prime is 212021130001. The next prime is 212021130037. The reversal of 212021130012 is 210031120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021129973 and 212021130000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298687 + ... + 2389142.

It is an arithmetic number, because the mean of its divisors is an integer number (20618638950).

Almost surely, 2^212021130012 is an apocalyptic number.

It is an amenable number.

212021130012 is an abundant number, since it is smaller than the sum of its proper divisors (282826204788).

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

212021130012 is a wasteful number, since it uses less digits than its factorization.

212021130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691605 (or 4691603 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212021130012 its reverse (210031120212), we get a palindrome (422052250224).

The spelling of 212021130012 in words is "two hundred twelve billion, twenty-one million, one hundred thirty thousand, twelve".