102218514212 has 24 divisors (see below), whose sum is σ = 181058413536. Its totient is φ = 50487680768.

The previous prime is 102218514191. The next prime is 102218514263. The reversal of 102218514212 is 212415812201.

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, 5117108 + ... + 5137044.

It is an arithmetic number, because the mean of its divisors is an integer number (7544100564).

Almost surely, 2^102218514212 is an apocalyptic number.

It is an amenable number.

102218514212 is a deficient number, since it is larger than the sum of its proper divisors (78839899324).

102218514212 is a wasteful number, since it uses less digits than its factorization.

102218514212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35467 (or 35465 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 102218514212 in words is "one hundred two billion, two hundred eighteen million, five hundred fourteen thousand, two hundred twelve".