11123212020312 has 64 divisors (see below), whose sum is σ = 31876619846400. Its totient is φ = 3168459169920.

The previous prime is 11123212020301. The next prime is 11123212020331. The reversal of 11123212020312 is 21302021232111.

11123212020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 99958887 + ... + 100070102.

It is an arithmetic number, because the mean of its divisors is an integer number (498072185100).

Almost surely, 2^{11123212020312} is an apocalyptic number.

11123212020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123212020312 is an abundant number, since it is smaller than the sum of its proper divisors (20753407826088).

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

11123212020312 is a wasteful number, since it uses less digits than its factorization.

11123212020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200029336 (or 200029332 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11123212020312 its reverse (21302021232111), we get a palindrome (32425233252423).

The spelling of 11123212020312 in words is "eleven trillion, one hundred twenty-three billion, two hundred twelve million, twenty thousand, three hundred twelve".