1304242212 has 144 divisors (see below), whose sum is σ = 3853893120. Its totient is φ = 340236288.

The previous prime is 1304242211. The next prime is 1304242237. The reversal of 1304242212 is 2122424031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1304242211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740589 + ... + 742347.

Almost surely, 2^1304242212 is an apocalyptic number.

1304242212 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 1304242212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926946560).

1304242212 is an abundant number, since it is smaller than the sum of its proper divisors (2549650908).

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

1304242212 is a wasteful number, since it uses less digits than its factorization.

1304242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1304242212 is about 36114.2937353065. The cubic root of 1304242212 is about 1092.5787530394.

Adding to 1304242212 its reverse (2122424031), we get a palindrome (3426666243).

The spelling of 1304242212 in words is "one billion, three hundred four million, two hundred forty-two thousand, two hundred twelve".