561210202012 has 12 divisors (see below), whose sum is σ = 1003013978400. Its totient is φ = 274634779616.

The previous prime is 561210201997. The next prime is 561210202073. The reversal of 561210202012 is 210202012165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492580137 + ... + 1492580512.

It is an arithmetic number, because the mean of its divisors is an integer number (83584498200).

Almost surely, 2^561210202012 is an apocalyptic number.

It is an amenable number.

561210202012 is a deficient number, since it is larger than the sum of its proper divisors (441803776388).

561210202012 is a wasteful number, since it uses less digits than its factorization.

561210202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985160700 (or 2985160698 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 561210202012 its reverse (210202012165), we get a palindrome (771412214177).

The spelling of 561210202012 in words is "five hundred sixty-one billion, two hundred ten million, two hundred two thousand, twelve".