1232213004 has 72 divisors (see below), whose sum is σ = 3576780480. Its totient is φ = 353743200.

The previous prime is 1232212981. The next prime is 1232213009. The reversal of 1232213004 is 4003122321.

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 (1232213009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74362 + ... + 89409.

Almost surely, 2^1232213004 is an apocalyptic number.

It is an amenable number.

1232213004 is an abundant number, since it is smaller than the sum of its proper divisors (2344567476).

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

1232213004 is a wasteful number, since it uses less digits than its factorization.

1232213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163811 (or 163806 counting only the distinct ones).

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

The square root of 1232213004 is about 35102.8916757580. The cubic root of 1232213004 is about 1072.0834602634.

Adding to 1232213004 its reverse (4003122321), we get a palindrome (5235335325).

The spelling of 1232213004 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, four".