20010312222212 has 24 divisors (see below), whose sum is σ = 38928250083072. Its totient is φ = 8937608436000.

The previous prime is 20010312222209. The next prime is 20010312222223. The reversal of 20010312222212 is 21222221301002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206670914 + ... + 6206674137.

It is an arithmetic number, because the mean of its divisors is an integer number (1622010420128).

Almost surely, 2^{20010312222212} is an apocalyptic number.

It is an amenable number.

20010312222212 is a deficient number, since it is larger than the sum of its proper divisors (18917937860860).

20010312222212 is a wasteful number, since it uses less digits than its factorization.

20010312222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413345099 (or 12413345097 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20010312222212 its reverse (21222221301002), we get a palindrome (41232533523214).

The spelling of 20010312222212 in words is "twenty trillion, ten billion, three hundred twelve million, two hundred twenty-two thousand, two hundred twelve".