102212211212 has 6 divisors (see below), whose sum is σ = 178871369628. Its totient is φ = 51106105604.

The previous prime is 102212211089. The next prime is 102212211217. The reversal of 102212211212 is 212112212201.

It is a super-2 number, since 2×102212211212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102212211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776526398 + ... + 12776526405.

It is an arithmetic number, because the mean of its divisors is an integer number (29811894938).

Almost surely, 2^102212211212 is an apocalyptic number.

It is an amenable number.

102212211212 is a deficient number, since it is larger than the sum of its proper divisors (76659158416).

102212211212 is a wasteful number, since it uses less digits than its factorization.

102212211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553052807 (or 25553052805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212211212 its reverse (212112212201), we get a palindrome (314324423413).

The spelling of 102212211212 in words is "one hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred twelve".