1232011120 has 40 divisors (see below), whose sum is σ = 2879458560. Its totient is φ = 490218240.

The previous prime is 1232011117. The next prime is 1232011127. The reversal of 1232011120 is 211102321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1232011120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232011127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25035 + ... + 55594.

It is an arithmetic number, because the mean of its divisors is an integer number (71986464).

Almost surely, 2^1232011120 is an apocalyptic number.

1232011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232011120 is an abundant number, since it is smaller than the sum of its proper divisors (1647447440).

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

1232011120 is a wasteful number, since it uses less digits than its factorization.

1232011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80833 (or 80827 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1232011120 is about 35100.0159544123. The cubic root of 1232011120 is about 1072.0249075300.

Adding to 1232011120 its reverse (211102321), we get a palindrome (1443113441).

The spelling of 1232011120 in words is "one billion, two hundred thirty-two million, eleven thousand, one hundred twenty".