102121222120012 has 24 divisors (see below), whose sum is σ = 179632498590720. Its totient is φ = 50797848892560.

The previous prime is 102121222119991. The next prime is 102121222120033. The reversal of 102121222120012 is 210021222121201.

It is an interprime number because it is at equal distance from previous prime (102121222119991) and next prime (102121222120033).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22658212 + ... + 26788747.

It is an arithmetic number, because the mean of its divisors is an integer number (7484687441280).

Almost surely, 2^{102121222120012} is an apocalyptic number.

It is an amenable number.

102121222120012 is a deficient number, since it is larger than the sum of its proper divisors (77511276470708).

102121222120012 is a wasteful number, since it uses less digits than its factorization.

102121222120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49449621 (or 49449619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102121222120012 its reverse (210021222121201), we get a palindrome (312142444241213).

The spelling of 102121222120012 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, twelve".