20010002222212 has 24 divisors (see below), whose sum is σ = 37393552546560. Its totient is φ = 9348388133280.

The previous prime is 20010002222143. The next prime is 20010002222213. The reversal of 20010002222212 is 21222220001002.

It is not an unprimeable number, because it can be changed into a prime (20010002222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782254778 + ... + 2782261969.

It is an arithmetic number, because the mean of its divisors is an integer number (1558064689440).

Almost surely, 2^{20010002222212} is an apocalyptic number.

It is an amenable number.

20010002222212 is a deficient number, since it is larger than the sum of its proper divisors (17383550324348).

20010002222212 is a wasteful number, since it uses less digits than its factorization.

20010002222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564516811 (or 5564516809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20010002222212 its reverse (21222220001002), we get a palindrome (41232222223214).

The spelling of 20010002222212 in words is "twenty trillion, ten billion, two million, two hundred twenty-two thousand, two hundred twelve".