1232020131020 has 144 divisors (see below), whose sum is σ = 3033868320000. Its totient is φ = 419012963712.

The previous prime is 1232020130993. The next prime is 1232020131047. The reversal of 1232020131020 is 201310202321.

It is an interprime number because it is at equal distance from previous prime (1232020130993) and next prime (1232020131047).

It is a self number, because there is not a number n which added to its sum of digits gives 1232020131020.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198741881 + ... + 198748079.

It is an arithmetic number, because the mean of its divisors is an integer number (21068530000).

Almost surely, 2^{1232020131020} is an apocalyptic number.

1232020131020 is a gapful number since it is divisible by the number (10) 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 1232020131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516934160000).

1232020131020 is an abundant number, since it is smaller than the sum of its proper divisors (1801848188980).

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

1232020131020 is a wasteful number, since it uses less digits than its factorization.

1232020131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7811 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1232020131020 its reverse (201310202321), we get a palindrome (1433330333341).

The spelling of 1232020131020 in words is "one trillion, two hundred thirty-two billion, twenty million, one hundred thirty-one thousand, twenty".