102312122 has 8 divisors (see below), whose sum is σ = 167419872. Its totient is φ = 46505500.

The previous prime is 102312083. The next prime is 102312139. The reversal of 102312122 is 221213201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102312097 and 102312106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325254 + ... + 2325297.

It is an arithmetic number, because the mean of its divisors is an integer number (20927484).

Almost surely, 2^102312122 is an apocalyptic number.

102312122 is a deficient number, since it is larger than the sum of its proper divisors (65107750).

102312122 is a wasteful number, since it uses less digits than its factorization.

102312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650564.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102312122 is about 10114.9454768674. The cubic root of 102312122 is about 467.7089681290.

Adding to 102312122 its reverse (221213201), we get a palindrome (323525323).

It can be divided in two parts, 10 and 2312122, that added together give a palindrome (2312132).

The spelling of 102312122 in words is "one hundred two million, three hundred twelve thousand, one hundred twenty-two".