1201011213 has 8 divisors (see below), whose sum is σ = 1601683776. Its totient is φ = 800506400.

The previous prime is 1201011181. The next prime is 1201011233. The reversal of 1201011213 is 3121101021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201011213 - 2⁵ = 1201011181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 54638.

It is an arithmetic number, because the mean of its divisors is an integer number (200210472).

Almost surely, 2^1201011213 is an apocalyptic number.

It is an amenable number.

1201011213 is a deficient number, since it is larger than the sum of its proper divisors (400672563).

1201011213 is an equidigital number, since it uses as much as digits as its factorization.

1201011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83875.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1201011213 is about 34655.6086802699. The cubic root of 1201011213 is about 1062.9569781996.

Adding to 1201011213 its reverse (3121101021), we get a palindrome (4322112234).

The spelling of 1201011213 in words is "one billion, two hundred one million, eleven thousand, two hundred thirteen".