1232210340 has 96 divisors (see below), whose sum is σ = 3876768000. Its totient is φ = 324884736.

The previous prime is 1232210323. The next prime is 1232210341. The reversal of 1232210340 is 430122321.

1232210340 is a `hidden beast` number, since 1 + 2 + 322 + 1 + 0 + 340 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1232210341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35241 + ... + 60879.

It is an arithmetic number, because the mean of its divisors is an integer number (40383000).

Almost surely, 2^1232210340 is an apocalyptic number.

1232210340 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 1232210340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938384000).

1232210340 is an abundant number, since it is smaller than the sum of its proper divisors (2644557660).

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

1232210340 is a wasteful number, since it uses less digits than its factorization.

1232210340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25746 (or 25738 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1232210340 is about 35102.8537301456. The cubic root of 1232210340 is about 1072.0826876609.

Adding to 1232210340 its reverse (430122321), we get a palindrome (1662332661).

The spelling of 1232210340 in words is "one billion, two hundred thirty-two million, two hundred ten thousand, three hundred forty".