1212133304 has 32 divisors (see below), whose sum is σ = 2380885920. Its totient is φ = 577437696.

The previous prime is 1212133277. The next prime is 1212133309. The reversal of 1212133304 is 4033312121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212133309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34472 + ... + 60104.

It is an arithmetic number, because the mean of its divisors is an integer number (74402685).

Almost surely, 2^1212133304 is an apocalyptic number.

It is an amenable number.

1212133304 is a deficient number, since it is larger than the sum of its proper divisors (1168752616).

1212133304 is a wasteful number, since it uses less digits than its factorization.

1212133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919 (or 25915 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1212133304 is about 34815.7048470945. The cubic root of 1212133304 is about 1066.2281097306.

Adding to 1212133304 its reverse (4033312121), we get a palindrome (5245445425).

The spelling of 1212133304 in words is "one billion, two hundred twelve million, one hundred thirty-three thousand, three hundred four".