12122112101012 has 12 divisors (see below), whose sum is σ = 21214446054900. Its totient is φ = 6060841799616.

The previous prime is 12122112100999. The next prime is 12122112101059. The reversal of 12122112101012 is 21010121122121.

It can be written as a sum of positive squares in 2 ways, for example, as 3288579141136 + 8833532959876 = 1813444^2 + 2972126^2 .

It is a congruent number.

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, 53435387 + ... + 53661762.

It is an arithmetic number, because the mean of its divisors is an integer number (1767870504575).

Almost surely, 2^{12122112101012} is an apocalyptic number.

It is an amenable number.

12122112101012 is a deficient number, since it is larger than the sum of its proper divisors (9092333953888).

12122112101012 is a wasteful number, since it uses less digits than its factorization.

12122112101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107125450 (or 107125448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122112101012 its reverse (21010121122121), we get a palindrome (33132233223133).

The spelling of 12122112101012 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, one hundred one thousand, twelve".