11212010320 has 80 divisors (see below), whose sum is σ = 30065397120. Its totient is φ = 3808829952.

The previous prime is 11212010273. The next prime is 11212010321. The reversal of 11212010320 is 2301021211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 11212010320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212010321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30802 + ... + 152881.

It is an arithmetic number, because the mean of its divisors is an integer number (375817464).

Almost surely, 2^11212010320 is an apocalyptic number.

11212010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212010320 is an abundant number, since it is smaller than the sum of its proper divisors (18853386800).

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

11212010320 is a wasteful number, since it uses less digits than its factorization.

11212010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183812 (or 183806 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11212010320 its reverse (2301021211), we get a palindrome (13513031531).

The spelling of 11212010320 in words is "eleven billion, two hundred twelve million, ten thousand, three hundred twenty".