1201332213 has 6 divisors (see below), whose sum is σ = 1735257654. Its totient is φ = 800888136.

The previous prime is 1201332203. The next prime is 1201332229. The reversal of 1201332213 is 3122331021.

1201332213 is a `hidden beast` number, since 120 + 1 + 332 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1181778129 + 19554084 = 34377^2 + 4422^2 .

It is not a de Polignac number, because 1201332213 - 2¹³ = 1201324021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201332203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66740670 + ... + 66740687.

It is an arithmetic number, because the mean of its divisors is an integer number (289209609).

Almost surely, 2^1201332213 is an apocalyptic number.

It is an amenable number.

1201332213 is a deficient number, since it is larger than the sum of its proper divisors (533925441).

1201332213 is a wasteful number, since it uses less digits than its factorization.

1201332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133481363 (or 133481360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1201332213 is about 34660.2396558362. The cubic root of 1201332213 is about 1063.0516702924.

Adding to 1201332213 its reverse (3122331021), we get a palindrome (4323663234).

The spelling of 1201332213 in words is "one billion, two hundred one million, three hundred thirty-two thousand, two hundred thirteen".