102212214 has 24 divisors (see below), whose sum is σ = 221361192. Its totient is φ = 31449600.

The previous prime is 102212213. The next prime is 102212219. The reversal of 102212214 is 412212201.

It is a junction number, because it is equal to n+sod(n) for n = 102212193 and 102212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49387 + ... + 51414.

It is an arithmetic number, because the mean of its divisors is an integer number (9223383).

Almost surely, 2^102212214 is an apocalyptic number.

102212214 is an abundant number, since it is smaller than the sum of its proper divisors (119148978).

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

102212214 is a wasteful number, since it uses less digits than its factorization.

102212214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100832 (or 100819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102212214 is about 10110.0056379806. The cubic root of 102212214 is about 467.5566789546.

Adding to 102212214 its reverse (412212201), we get a palindrome (514424415).

The spelling of 102212214 in words is "one hundred two million, two hundred twelve thousand, two hundred fourteen".