13111133202312 has 32 divisors (see below), whose sum is σ = 32781321686400. Its totient is φ = 4369912576704.

The previous prime is 13111133202269. The next prime is 13111133202329. The reversal of 13111133202312 is 21320233111131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 28842112 + ... + 29293167.

It is an arithmetic number, because the mean of its divisors is an integer number (1024416302700).

Almost surely, 2^{13111133202312} is an apocalyptic number.

13111133202312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13111133202312 is an abundant number, since it is smaller than the sum of its proper divisors (19670188484088).

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

13111133202312 is a wasteful number, since it uses less digits than its factorization.

13111133202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58144685 (or 58144681 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13111133202312 its reverse (21320233111131), we get a palindrome (34431366313443).

The spelling of 13111133202312 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-three million, two hundred two thousand, three hundred twelve".