11320021430312 has 64 divisors (see below), whose sum is σ = 24668577600000. Its totient is φ = 4769450237376.

The previous prime is 11320021430309. The next prime is 11320021430329. The reversal of 11320021430312 is 21303412002311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150862 + ... + 4895357.

It is an arithmetic number, because the mean of its divisors is an integer number (385446525000).

Almost surely, 2^{11320021430312} is an apocalyptic number.

It is an amenable number.

11320021430312 is an abundant number, since it is smaller than the sum of its proper divisors (13348556169688).

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

11320021430312 is a wasteful number, since it uses less digits than its factorization.

11320021430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046798 (or 6046794 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11320021430312 its reverse (21303412002311), we get a palindrome (32623433432623).

The spelling of 11320021430312 in words is "eleven trillion, three hundred twenty billion, twenty-one million, four hundred thirty thousand, three hundred twelve".