102122201212 has 6 divisors (see below), whose sum is σ = 178713852128. Its totient is φ = 51061100604.

The previous prime is 102122201201. The next prime is 102122201213. The reversal of 102122201212 is 212102221201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122201213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765275148 + ... + 12765275155.

Almost surely, 2^102122201212 is an apocalyptic number.

It is an amenable number.

102122201212 is a deficient number, since it is larger than the sum of its proper divisors (76591650916).

102122201212 is a wasteful number, since it uses less digits than its factorization.

102122201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530550307 (or 25530550305 counting only the distinct ones).

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

Adding to 102122201212 its reverse (212102221201), we get a palindrome (314224422413).

The spelling of 102122201212 in words is "one hundred two billion, one hundred twenty-two million, two hundred one thousand, two hundred twelve".