102212222136 has 64 divisors (see below), whose sum is σ = 272869171200. Its totient is φ = 31834723200.

The previous prime is 102212222081. The next prime is 102212222137. The reversal of 102212222136 is 631222212201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212222137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347080 + ... + 2390231.

It is an arithmetic number, because the mean of its divisors is an integer number (4263580800).

Almost surely, 2^102212222136 is an apocalyptic number.

It is an amenable number.

102212222136 is an abundant number, since it is smaller than the sum of its proper divisors (170656949064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212222136 is a wasteful number, since it uses less digits than its factorization.

102212222136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737380 (or 4737376 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102212222136 its reverse (631222212201), we get a palindrome (733434434337).

The spelling of 102212222136 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred thirty-six".