102120011212 has 18 divisors (see below), whose sum is σ = 182593277132. Its totient is φ = 49973618184.

The previous prime is 102120011099. The next prime is 102120011281. The reversal of 102120011212 is 212110021201.

102120011212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102120011192 and 102120011201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5769798 + ... + 5787469.

Almost surely, 2^102120011212 is an apocalyptic number.

It is an amenable number.

102120011212 is a deficient number, since it is larger than the sum of its proper divisors (80473265920).

102120011212 is a wasteful number, since it uses less digits than its factorization.

102120011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557365 (or 11557316 counting only the distinct ones).

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

Adding to 102120011212 its reverse (212110021201), we get a palindrome (314230032413).

The spelling of 102120011212 in words is "one hundred two billion, one hundred twenty million, eleven thousand, two hundred twelve".