11001013212 has 24 divisors (see below), whose sum is σ = 29336035456. Its totient is φ = 3143146608.

The previous prime is 11001013193. The next prime is 11001013213. The reversal of 11001013212 is 21231010011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001013213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65482138 + ... + 65482305.

Almost surely, 2^11001013212 is an apocalyptic number.

11001013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001013212 is an abundant number, since it is smaller than the sum of its proper divisors (18335022244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001013212 is a wasteful number, since it uses less digits than its factorization.

11001013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130964457 (or 130964455 counting only the distinct ones).

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

Adding to 11001013212 its reverse (21231010011), we get a palindrome (32232023223).

The spelling of 11001013212 in words is "eleven billion, one million, thirteen thousand, two hundred twelve".