102011122012 has 24 divisors (see below), whose sum is σ = 192224355120. Its totient is φ = 47191584000.

The previous prime is 102011122007. The next prime is 102011122019. The reversal of 102011122012 is 210221110201.

It is a junction number, because it is equal to n+sod(n) for n = 102011121983 and 102011122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12709239 + ... + 12717262.

It is an arithmetic number, because the mean of its divisors is an integer number (8009348130).

Almost surely, 2^102011122012 is an apocalyptic number.

It is an amenable number.

102011122012 is a deficient number, since it is larger than the sum of its proper divisors (90213233108).

102011122012 is a wasteful number, since it uses less digits than its factorization.

102011122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25426581 (or 25426579 counting only the distinct ones).

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

Adding to 102011122012 its reverse (210221110201), we get a palindrome (312232232213).

The spelling of 102011122012 in words is "one hundred two billion, eleven million, one hundred twenty-two thousand, twelve".