20001110222212 has 24 divisors (see below), whose sum is σ = 40002918669504. Its totient is φ = 8571754761312.

The previous prime is 20001110222209. The next prime is 20001110222237. The reversal of 20001110222212 is 21222201110002.

It is a happy number.

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, 4593778 + ... + 7816969.

It is an arithmetic number, because the mean of its divisors is an integer number (1666788277896).

Almost surely, 2^{20001110222212} is an apocalyptic number.

It is an amenable number.

20001110222212 is an abundant number, since it is smaller than the sum of its proper divisors (20001808447292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001110222212 is a wasteful number, since it uses less digits than its factorization.

20001110222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468315 (or 12468313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20001110222212 its reverse (21222201110002), we get a palindrome (41223311332214).

The spelling of 20001110222212 in words is "twenty trillion, one billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".