11000220312 has 32 divisors (see below), whose sum is σ = 27573134400. Its totient is φ = 3657062304.

The previous prime is 11000220299. The next prime is 11000220383. The reversal of 11000220312 is 21302200011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595578 + ... + 613769.

It is an arithmetic number, because the mean of its divisors is an integer number (861660450).

Almost surely, 2^11000220312 is an apocalyptic number.

11000220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11000220312 is an abundant number, since it is smaller than the sum of its proper divisors (16572914088).

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

11000220312 is a wasteful number, since it uses less digits than its factorization.

11000220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209735 (or 1209731 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11000220312 its reverse (21302200011), we get a palindrome (32302420323).

The spelling of 11000220312 in words is "eleven billion, two hundred twenty thousand, three hundred twelve".