20012222010212 has 12 divisors (see below), whose sum is σ = 35097356825916. Its totient is φ = 9984405774240.

The previous prime is 20012222010191. The next prime is 20012222010251. The reversal of 20012222010212 is 21201022221002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6742040743936 + 13270181266276 = 2596544^2 + 3642826^2 .

It is a super-3 number, since 3×20012222010212³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5426305643 + ... + 5426309330.

It is an arithmetic number, because the mean of its divisors is an integer number (2924779735493).

Almost surely, 2^{20012222010212} is an apocalyptic number.

It is an amenable number.

20012222010212 is a deficient number, since it is larger than the sum of its proper divisors (15085134815704).

20012222010212 is a wasteful number, since it uses less digits than its factorization.

20012222010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852615438 (or 10852615436 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012222010212 its reverse (21201022221002), we get a palindrome (41213244231214).

The spelling of 20012222010212 in words is "twenty trillion, twelve billion, two hundred twenty-two million, ten thousand, two hundred twelve".