1230032331220 has 96 divisors (see below), whose sum is σ = 3307487581440. Its totient is φ = 373024880640.

The previous prime is 1230032331169. The next prime is 1230032331263. The reversal of 1230032331220 is 221332300321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1230032331191 and 1230032331200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10736565 + ... + 10850524.

It is an arithmetic number, because the mean of its divisors is an integer number (34452995640).

Almost surely, 2^{1230032331220} is an apocalyptic number.

1230032331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230032331220 is an abundant number, since it is smaller than the sum of its proper divisors (2077455250220).

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

1230032331220 is a wasteful number, since it uses less digits than its factorization.

1230032331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21587153 (or 21587151 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1230032331220 its reverse (221332300321), we get a palindrome (1451364631541).

The spelling of 1230032331220 in words is "one trillion, two hundred thirty billion, thirty-two million, three hundred thirty-one thousand, two hundred twenty".