1211033013 has 8 divisors (see below), whose sum is σ = 1637453376. Its totient is φ = 795984000.

The previous prime is 1211033003. The next prime is 1211033059. The reversal of 1211033013 is 3103301121.

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

It is not a de Polignac number, because 1211033013 - 2⁵ = 1211032981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211032983 and 1211033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211033003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842588 + ... + 2843013.

It is an arithmetic number, because the mean of its divisors is an integer number (204681672).

Almost surely, 2^1211033013 is an apocalyptic number.

It is an amenable number.

1211033013 is a deficient number, since it is larger than the sum of its proper divisors (426420363).

1211033013 is an equidigital number, since it uses as much as digits as its factorization.

1211033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685675.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1211033013 is about 34799.8996119242. The cubic root of 1211033013 is about 1065.9053959554.

Adding to 1211033013 its reverse (3103301121), we get a palindrome (4314334134).

The spelling of 1211033013 in words is "one billion, two hundred eleven million, thirty-three thousand, thirteen".