20022112101212 has 48 divisors (see below), whose sum is σ = 39733229760000. Its totient is φ = 8751687249600.

The previous prime is 20022112101203. The next prime is 20022112101223. The reversal of 20022112101212 is 21210121122002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415664 + ... + 6341687.

It is an arithmetic number, because the mean of its divisors is an integer number (827775620000).

Almost surely, 2^{20022112101212} is an apocalyptic number.

It is an amenable number.

20022112101212 is a deficient number, since it is larger than the sum of its proper divisors (19711117658788).

20022112101212 is a wasteful number, since it uses less digits than its factorization.

20022112101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760386 (or 6760384 counting only the distinct ones).

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

Adding to 20022112101212 its reverse (21210121122002), we get a palindrome (41232233223214).

The spelling of 20022112101212 in words is "twenty trillion, twenty-two billion, one hundred twelve million, one hundred one thousand, two hundred twelve".