11033012212 has 12 divisors (see below), whose sum is σ = 19325976516. Its totient is φ = 5511304640.

The previous prime is 11033012171. The next prime is 11033012267. The reversal of 11033012212 is 21221033011.

It can be written as a sum of positive squares in 2 ways, for example, as 7653450256 + 3379561956 = 87484^2 + 58134^2 .

It is a super-2 number, since 2×11033012212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295593 + ... + 1304080.

It is an arithmetic number, because the mean of its divisors is an integer number (1610498043).

Almost surely, 2^11033012212 is an apocalyptic number.

It is an amenable number.

11033012212 is a deficient number, since it is larger than the sum of its proper divisors (8292964304).

11033012212 is a wasteful number, since it uses less digits than its factorization.

11033012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600738 (or 2600736 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11033012212 its reverse (21221033011), we get a palindrome (32254045223).

The spelling of 11033012212 in words is "eleven billion, thirty-three million, twelve thousand, two hundred twelve".