1232961912 has 480 divisors, whose sum is σ = 4518914400. Its totient is φ = 310915584.

The previous prime is 1232961911. The next prime is 1232961923. The reversal of 1232961912 is 2191692321.

1232961912 is a `hidden beast` number, since 1 + 2 + 3 + 29 + 619 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232961911) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11970453 + ... + 11970555.

It is an arithmetic number, because the mean of its divisors is an integer number (9414405).

Almost surely, 2^1232961912 is an apocalyptic number.

1232961912 is a gapful number since it is divisible by the number (12) 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 1232961912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259457200).

1232961912 is an abundant number, since it is smaller than the sum of its proper divisors (3285952488).

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

1232961912 is a wasteful number, since it uses less digits than its factorization.

1232961912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 157 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1232961912 is about 35113.5573817294. The cubic root of 1232961912 is about 1072.3006113764.

The spelling of 1232961912 in words is "one billion, two hundred thirty-two million, nine hundred sixty-one thousand, nine hundred twelve".