102202212212 has 48 divisors (see below), whose sum is σ = 197964829440. Its totient is φ = 45921080832.

The previous prime is 102202212209. The next prime is 102202212227. The reversal of 102202212212 is 212212202201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 812489 + ... + 929807.

It is an arithmetic number, because the mean of its divisors is an integer number (4124267280).

Almost surely, 2^102202212212 is an apocalyptic number.

It is an amenable number.

102202212212 is a deficient number, since it is larger than the sum of its proper divisors (95762617228).

102202212212 is a wasteful number, since it uses less digits than its factorization.

102202212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117920 (or 117918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102202212212 its reverse (212212202201), we get a palindrome (314414414413).

The spelling of 102202212212 in words is "one hundred two billion, two hundred two million, two hundred twelve thousand, two hundred twelve".