212031021033 has 16 divisors (see below), whose sum is σ = 338283111040. Its totient is φ = 130480628112.

The previous prime is 212031020987. The next prime is 212031021053. The reversal of 212031021033 is 330120130212.

It is not a de Polignac number, because 212031021033 - 2⁹ = 212031020521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212031020997 and 212031021015.

It is not an unprimeable number, because it can be changed into a prime (212031021053) 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, 302038141 + ... + 302038842.

It is an arithmetic number, because the mean of its divisors is an integer number (21142694440).

Almost surely, 2^212031021033 is an apocalyptic number.

It is an amenable number.

212031021033 is a deficient number, since it is larger than the sum of its proper divisors (126252090007).

212031021033 is a wasteful number, since it uses less digits than its factorization.

212031021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604077005 (or 604076999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212031021033 its reverse (330120130212), we get a palindrome (542151151245).

The spelling of 212031021033 in words is "two hundred twelve billion, thirty-one million, twenty-one thousand, thirty-three".