1231012330102 has 16 divisors (see below), whose sum is σ = 2022555756960. Its totient is φ = 559324060288.

The previous prime is 1231012330099. The next prime is 1231012330109. The reversal of 1231012330102 is 2010332101321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231012330102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231012330109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624244618 + ... + 624246589.

It is an arithmetic number, because the mean of its divisors is an integer number (126409734810).

Almost surely, 2^{1231012330102} is an apocalyptic number.

1231012330102 is a deficient number, since it is larger than the sum of its proper divisors (791543426858).

1231012330102 is a wasteful number, since it uses less digits than its factorization.

1231012330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248491255.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231012330102 its reverse (2010332101321), we get a palindrome (3241344431423).

The spelling of 1231012330102 in words is "one trillion, two hundred thirty-one billion, twelve million, three hundred thirty thousand, one hundred two".