102122122012 has 6 divisors (see below), whose sum is σ = 178713713528. Its totient is φ = 51061061004.

The previous prime is 102122121991. The next prime is 102122122027. The reversal of 102122122012 is 210221221201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765265248 + ... + 12765265255.

Almost surely, 2^102122122012 is an apocalyptic number.

It is an amenable number.

102122122012 is a deficient number, since it is larger than the sum of its proper divisors (76591591516).

102122122012 is a wasteful number, since it uses less digits than its factorization.

102122122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530530507 (or 25530530505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122122012 its reverse (210221221201), we get a palindrome (312343343213).

The spelling of 102122122012 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".