102120012122212 has 24 divisors (see below), whose sum is σ = 204280396147520. Its totient is φ = 43757068358880.

The previous prime is 102120012122207. The next prime is 102120012122243. The reversal of 102120012122212 is 212221210021201.

It is a self number, because there is not a number n which added to its sum of digits gives 102120012122212.

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, 360319239 + ... + 360602542.

Almost surely, 2^{102120012122212} is an apocalyptic number.

It is an amenable number.

102120012122212 is an abundant number, since it is smaller than the sum of its proper divisors (102160384025308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102120012122212 is a wasteful number, since it uses less digits than its factorization.

102120012122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720926851 (or 720926849 counting only the distinct ones).

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

Adding to 102120012122212 its reverse (212221210021201), we get a palindrome (314341222143413).

The spelling of 102120012122212 in words is "one hundred two trillion, one hundred twenty billion, twelve million, one hundred twenty-two thousand, two hundred twelve".