102231012 has 48 divisors (see below), whose sum is σ = 260748992. Its totient is φ = 30983040.

The previous prime is 102230981. The next prime is 102231049. The reversal of 102231012 is 210132201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5562 + ... + 15342.

Almost surely, 2^102231012 is an apocalyptic number.

102231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130374496).

102231012 is an abundant number, since it is smaller than the sum of its proper divisors (158517980).

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

102231012 is a wasteful number, since it uses less digits than its factorization.

102231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868 (or 9866 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102231012 is about 10110.9352683122. The cubic root of 102231012 is about 467.5853402119.

Adding to 102231012 its reverse (210132201), we get a palindrome (312363213).

The spelling of 102231012 in words is "one hundred two million, two hundred thirty-one thousand, twelve".