1003212011 has 4 divisors (see below), whose sum is σ = 1003648800. Its totient is φ = 1002775224.

The previous prime is 1003211981. The next prime is 1003212031. The reversal of 1003212011 is 1102123001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003212011 - 2⁶ = 1003211947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003211983 and 1003212001.

It is not an unprimeable number, because it can be changed into a prime (1003212031) 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, 214931 + ... + 219548.

It is an arithmetic number, because the mean of its divisors is an integer number (250912200).

Almost surely, 2^1003212011 is an apocalyptic number.

1003212011 is a deficient number, since it is larger than the sum of its proper divisors (436789).

1003212011 is an equidigital number, since it uses as much as digits as its factorization.

1003212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436788.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1003212011 is about 31673.5222386144. The cubic root of 1003212011 is about 1001.0695260396.

Adding to 1003212011 its reverse (1102123001), we get a palindrome (2105335012).

The spelling of 1003212011 in words is "one billion, three million, two hundred twelve thousand, eleven".