102222021201212 has 144 divisors (see below), whose sum is σ = 199287860956800. Its totient is φ = 45840453120000.

The previous prime is 102222021201197. The next prime is 102222021201277. The reversal of 102222021201212 is 212102120222201.

It is a super-2 number, since 2×102222021201212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13985770214 + ... + 13985777522.

Almost surely, 2^{102222021201212} is an apocalyptic number.

It is an amenable number.

102222021201212 is a deficient number, since it is larger than the sum of its proper divisors (97065839755588).

102222021201212 is a wasteful number, since it uses less digits than its factorization.

102222021201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548 (or 8535 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102222021201212 its reverse (212102120222201), we get a palindrome (314324141423413).

The spelling of 102222021201212 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, two hundred one thousand, two hundred twelve".