1348221812 has 12 divisors (see below), whose sum is σ = 2696443680. Its totient is φ = 577809336.

The previous prime is 1348221811. The next prime is 1348221827. The reversal of 1348221812 is 2181228431.

1348221812 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348221811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24075362 + ... + 24075417.

It is an arithmetic number, because the mean of its divisors is an integer number (224703640).

Almost surely, 2^1348221812 is an apocalyptic number.

It is an amenable number.

1348221812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1348221812 is a wasteful number, since it uses less digits than its factorization.

1348221812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48150790 (or 48150788 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 1348221812 is about 36718.1400945091. The cubic root of 1348221812 is about 1104.7239844855.

The spelling of 1348221812 in words is "one billion, three hundred forty-eight million, two hundred twenty-one thousand, eight hundred twelve".