212021231012 has 12 divisors (see below), whose sum is σ = 371598485916. Its totient is φ = 105850235040.

The previous prime is 212021231003. The next prime is 212021231027. The reversal of 212021231012 is 210132120212.

212021231012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 167890145536 + 44131085476 = 409744^2 + 210074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40092143 + ... + 40097430.

It is an arithmetic number, because the mean of its divisors is an integer number (30966540493).

Almost surely, 2^212021231012 is an apocalyptic number.

It is an amenable number.

212021231012 is a deficient number, since it is larger than the sum of its proper divisors (159577254904).

212021231012 is a wasteful number, since it uses less digits than its factorization.

212021231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80190238 (or 80190236 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021231012 its reverse (210132120212), we get a palindrome (422153351224).

The spelling of 212021231012 in words is "two hundred twelve billion, twenty-one million, two hundred thirty-one thousand, twelve".