102012312230 has 16 divisors (see below), whose sum is σ = 186208390944. Its totient is φ = 40230207360.

The previous prime is 102012312221. The next prime is 102012312251. The reversal of 102012312230 is 32213210201.

It is a super-2 number, since 2×102012312230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102012312199 and 102012312208.

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 7 ways as a sum of consecutive naturals, for example, 71838947 + ... + 71840366.

It is an arithmetic number, because the mean of its divisors is an integer number (11638024434).

Almost surely, 2^102012312230 is an apocalyptic number.

102012312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012312230 is a deficient number, since it is larger than the sum of its proper divisors (84196078714).

102012312230 is a wasteful number, since it uses less digits than its factorization.

102012312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143679391.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102012312230 its reverse (32213210201), we get a palindrome (134225522431).

The spelling of 102012312230 in words is "one hundred two billion, twelve million, three hundred twelve thousand, two hundred thirty".