102312003220 has 48 divisors (see below), whose sum is σ = 245696492160. Its totient is φ = 35057303424.

The previous prime is 102312003217. The next prime is 102312003221. The reversal of 102312003220 is 22300213201.

It is a junction number, because it is equal to n+sod(n) for n = 102312003194 and 102312003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312003221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14727 + ... + 452593.

It is an arithmetic number, because the mean of its divisors is an integer number (5118676920).

Almost surely, 2^102312003220 is an apocalyptic number.

102312003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312003220 is an abundant number, since it is smaller than the sum of its proper divisors (143384488940).

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

102312003220 is a wasteful number, since it uses less digits than its factorization.

102312003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439552 (or 439550 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102312003220 its reverse (22300213201), we get a palindrome (124612216421).

The spelling of 102312003220 in words is "one hundred two billion, three hundred twelve million, three thousand, two hundred twenty".