1232112001320 has 192 divisors, whose sum is σ = 4152522741120. Its totient is φ = 316579041792.

The previous prime is 1232112001229. The next prime is 1232112001327. The reversal of 1232112001320 is 231002112321.

1232112001320 is a `hidden beast` number, since 1 + 2 + 321 + 1 + 20 + 0 + 1 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1232112001293 and 1232112001302.

It is not an unprimeable number, because it can be changed into a prime (1232112001327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 922927 + ... + 1820993.

It is an arithmetic number, because the mean of its divisors is an integer number (21627722610).

Almost surely, 2^{1232112001320} is an apocalyptic number.

1232112001320 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 1232112001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076261370560).

1232112001320 is an abundant number, since it is smaller than the sum of its proper divisors (2920410739800).

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

1232112001320 is a wasteful number, since it uses less digits than its factorization.

1232112001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898224 (or 898217 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1232112001320 its reverse (231002112321), we get a palindrome (1463114113641).

It can be divided in two parts, 1232112001 and 320, that added together give a palindrome (1232112321).

The spelling of 1232112001320 in words is "one trillion, two hundred thirty-two billion, one hundred twelve million, one thousand, three hundred twenty".