1304152212 has 48 divisors (see below), whose sum is σ = 3514940352. Its totient is φ = 371950080.

The previous prime is 1304152207. The next prime is 1304152219. The reversal of 1304152212 is 2122514031.

1304152212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304152219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288343 + ... + 292830.

It is an arithmetic number, because the mean of its divisors is an integer number (73227924).

Almost surely, 2^1304152212 is an apocalyptic number.

1304152212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304152212 is an abundant number, since it is smaller than the sum of its proper divisors (2210788140).

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

1304152212 is a wasteful number, since it uses less digits than its factorization.

1304152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581208 (or 581206 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1304152212 is about 36113.0476697827. The cubic root of 1304152212 is about 1092.5536211151.

Adding to 1304152212 its reverse (2122514031), we get a palindrome (3426666243).

The spelling of 1304152212 in words is "one billion, three hundred four million, one hundred fifty-two thousand, two hundred twelve".