1201213344 has 24 divisors (see below), whose sum is σ = 3153185280. Its totient is φ = 400404416.

The previous prime is 1201213339. The next prime is 1201213369. The reversal of 1201213344 is 4433121021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1201213344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6256224 + ... + 6256415.

It is an arithmetic number, because the mean of its divisors is an integer number (131382720).

Almost surely, 2^1201213344 is an apocalyptic number.

It is an amenable number.

1201213344 is an abundant number, since it is smaller than the sum of its proper divisors (1951971936).

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

1201213344 is a wasteful number, since it uses less digits than its factorization.

1201213344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512652 (or 12512644 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1201213344 is about 34658.5248387752. The cubic root of 1201213344 is about 1063.0166069808.

Adding to 1201213344 its reverse (4433121021), we get a palindrome (5634334365).

The spelling of 1201213344 in words is "one billion, two hundred one million, two hundred thirteen thousand, three hundred forty-four".