1231300101020 has 24 divisors (see below), whose sum is σ = 2820796595568. Its totient is φ = 447745491200.

The previous prime is 1231300101011. The next prime is 1231300101049. The reversal of 1231300101020 is 201010031321.

It is a junction number, because it is equal to n+sod(n) for n = 1231300100986 and 1231300101004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798409101 + ... + 2798409540.

It is an arithmetic number, because the mean of its divisors is an integer number (117533191482).

Almost surely, 2^{1231300101020} is an apocalyptic number.

1231300101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231300101020 is an abundant number, since it is smaller than the sum of its proper divisors (1589496494548).

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

1231300101020 is a wasteful number, since it uses less digits than its factorization.

1231300101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596818661 (or 5596818659 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1231300101020 its reverse (201010031321), we get a palindrome (1432310132341).

The spelling of 1231300101020 in words is "one trillion, two hundred thirty-one billion, three hundred million, one hundred one thousand, twenty".