12122101012 has 12 divisors (see below), whose sum is σ = 24244202080. Its totient is φ = 5195186136.

The previous prime is 12122101009. The next prime is 12122101037. The reversal of 12122101012 is 21010122121.

12122101012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12122100983 and 12122101001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216466062 + ... + 216466117.

Almost surely, 2^12122101012 is an apocalyptic number.

It is an amenable number.

12122101012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122101012 is a wasteful number, since it uses less digits than its factorization.

12122101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432932190 (or 432932188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12122101012 its reverse (21010122121), we get a palindrome (33132223133).

The spelling of 12122101012 in words is "twelve billion, one hundred twenty-two million, one hundred one thousand, twelve".