212032020404 has 6 divisors (see below), whose sum is σ = 371056035714. Its totient is φ = 106016010200.

The previous prime is 212032020373. The next prime is 212032020443. The reversal of 212032020404 is 404020230212.

It can be written as a sum of positive squares in only one way, i.e., 211958952100 + 73068304 = 460390^2 + 8548^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26504002547 + ... + 26504002554.

It is an arithmetic number, because the mean of its divisors is an integer number (61842672619).

Almost surely, 2^212032020404 is an apocalyptic number.

It is an amenable number.

212032020404 is a deficient number, since it is larger than the sum of its proper divisors (159024015310).

212032020404 is a wasteful number, since it uses less digits than its factorization.

212032020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53008005105 (or 53008005103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212032020404 its reverse (404020230212), we get a palindrome (616052250616).

The spelling of 212032020404 in words is "two hundred twelve billion, thirty-two million, twenty thousand, four hundred four".