102201212212 has 48 divisors (see below), whose sum is σ = 197019563328. Its totient is φ = 46001150720.

The previous prime is 102201212189. The next prime is 102201212231. The reversal of 102201212212 is 212212102201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20698608 + ... + 20703544.

It is an arithmetic number, because the mean of its divisors is an integer number (4104574236).

Almost surely, 2^102201212212 is an apocalyptic number.

It is an amenable number.

102201212212 is a deficient number, since it is larger than the sum of its proper divisors (94818351116).

102201212212 is a wasteful number, since it uses less digits than its factorization.

102201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 9454 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102201212212 its reverse (212212102201), we get a palindrome (314413314413).

It can be divided in two parts, 102201 and 212212, that added together give a palindrome (314413).

The spelling of 102201212212 in words is "one hundred two billion, two hundred one million, two hundred twelve thousand, two hundred twelve".