20002212111212 has 12 divisors (see below), whose sum is σ = 35425604583096. Its totient is φ = 9880610801760.

The previous prime is 20002212111199. The next prime is 20002212111227. The reversal of 20002212111212 is 21211121220002.

It is a super-2 number, since 2×20002212111212² (a number of 27 digits) contains 22 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, 30123813089 + ... + 30123813752.

It is an arithmetic number, because the mean of its divisors is an integer number (2952133715258).

Almost surely, 2^{20002212111212} is an apocalyptic number.

It is an amenable number.

20002212111212 is a deficient number, since it is larger than the sum of its proper divisors (15423392471884).

20002212111212 is a wasteful number, since it uses less digits than its factorization.

20002212111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60247626928 (or 60247626926 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20002212111212 its reverse (21211121220002), we get a palindrome (41213333331214).

It can be divided in two parts, 20002 and 212111212, that multiplied together give a palindrome (4242648462424).

The spelling of 20002212111212 in words is "twenty trillion, two billion, two hundred twelve million, one hundred eleven thousand, two hundred twelve".