20112122001212 has 6 divisors (see below), whose sum is σ = 35196213502128. Its totient is φ = 10056061000604.

The previous prime is 20112122001203. The next prime is 20112122001239. The reversal of 20112122001212 is 21210022121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514015250148 + ... + 2514015250155.

It is an arithmetic number, because the mean of its divisors is an integer number (5866035583688).

Almost surely, 2^{20112122001212} is an apocalyptic number.

It is an amenable number.

20112122001212 is a deficient number, since it is larger than the sum of its proper divisors (15084091500916).

20112122001212 is a wasteful number, since it uses less digits than its factorization.

20112122001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028030500307 (or 5028030500305 counting only the distinct ones).

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

Adding to 20112122001212 its reverse (21210022121102), we get a palindrome (41322144122314).

The spelling of 20112122001212 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, one thousand, two hundred twelve".