102412222 has 12 divisors (see below), whose sum is σ = 168853608. Its totient is φ = 46550900.

The previous prime is 102412213. The next prime is 102412237. The reversal of 102412222 is 222214201.

It is a junction number, because it is equal to n+sod(n) for n = 102412196 and 102412205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211354 + ... + 211837.

It is an arithmetic number, because the mean of its divisors is an integer number (14071134).

Almost surely, 2^102412222 is an apocalyptic number.

102412222 is a deficient number, since it is larger than the sum of its proper divisors (66441386).

102412222 is a wasteful number, since it uses less digits than its factorization.

102412222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423215 (or 423204 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102412222 is about 10119.8923907322. The cubic root of 102412222 is about 467.8614505740.

Adding to 102412222 its reverse (222214201), we get a palindrome (324626423).

It can be divided in two parts, 1024122 and 22, that added together give a square (1024144 = 1012²).

The spelling of 102412222 in words is "one hundred two million, four hundred twelve thousand, two hundred twenty-two".