20003031210212 has 6 divisors (see below), whose sum is σ = 35005304617878. Its totient is φ = 10001515605104.

The previous prime is 20003031210199. The next prime is 20003031210293. The reversal of 20003031210212 is 21201213030002.

It can be written as a sum of positive squares in only one way, i.e., 20003023680676 + 7529536 = 4472474^2 + 2744^2 .

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 as a sum of consecutive naturals, namely, 2500378901273 + ... + 2500378901280.

It is an arithmetic number, because the mean of its divisors is an integer number (5834217436313).

Almost surely, 2^{20003031210212} is an apocalyptic number.

It is an amenable number.

20003031210212 is a deficient number, since it is larger than the sum of its proper divisors (15002273407666).

20003031210212 is a wasteful number, since it uses less digits than its factorization.

20003031210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000757802557 (or 5000757802555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20003031210212 its reverse (21201213030002), we get a palindrome (41204244240214).

The spelling of 20003031210212 in words is "twenty trillion, three billion, thirty-one million, two hundred ten thousand, two hundred twelve".