12122102111012 has 6 divisors (see below), whose sum is σ = 21213678694278. Its totient is φ = 6061051055504.

The previous prime is 12122102110999. The next prime is 12122102111051. The reversal of 12122102111012 is 21011120122121.

It can be written as a sum of positive squares in only one way, i.e., 11270147266816 + 851954844196 = 3357104^2 + 923014^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515262763873 + ... + 1515262763880.

It is an arithmetic number, because the mean of its divisors is an integer number (3535613115713).

Almost surely, 2^{12122102111012} is an apocalyptic number.

It is an amenable number.

12122102111012 is a deficient number, since it is larger than the sum of its proper divisors (9091576583266).

12122102111012 is a wasteful number, since it uses less digits than its factorization.

12122102111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030525527757 (or 3030525527755 counting only the distinct ones).

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

Adding to 12122102111012 its reverse (21011120122121), we get a palindrome (33133222233133).

The spelling of 12122102111012 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred eleven thousand, twelve".