1231330110020 has 48 divisors (see below), whose sum is σ = 2710001871360. Its totient is φ = 469060285056.

The previous prime is 1231330110001. The next prime is 1231330110037. The reversal of 1231330110020 is 200110331321.

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, 5739212 + ... + 5949891.

It is an arithmetic number, because the mean of its divisors is an integer number (56458372320).

Almost surely, 2^{1231330110020} is an apocalyptic number.

1231330110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231330110020 is an abundant number, since it is smaller than the sum of its proper divisors (1478671761340).

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

1231330110020 is a wasteful number, since it uses less digits than its factorization.

1231330110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11689364 (or 11689362 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1231330110020 its reverse (200110331321), we get a palindrome (1431440441341).

The spelling of 1231330110020 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, one hundred ten thousand, twenty".