102122121020012 has 12 divisors (see below), whose sum is σ = 178717660790760. Its totient is φ = 51059932222656.

The previous prime is 102122121019981. The next prime is 102122121020057. The reversal of 102122121020012 is 210020121221201.

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 in 3 ways as a sum of consecutive naturals, for example, 281868173 + ... + 282230244.

It is an arithmetic number, because the mean of its divisors is an integer number (14893138399230).

Almost surely, 2^{102122121020012} is an apocalyptic number.

It is an amenable number.

102122121020012 is a deficient number, since it is larger than the sum of its proper divisors (76595539770748).

102122121020012 is a wasteful number, since it uses less digits than its factorization.

102122121020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564143680 (or 564143678 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102122121020012 its reverse (210020121221201), we get a palindrome (312142242241213).

The spelling of 102122121020012 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, twelve".