12301211123112 has 16 divisors (see below), whose sum is σ = 30753027807840. Its totient is φ = 4100403707696.

The previous prime is 12301211123101. The next prime is 12301211123153. The reversal of 12301211123112 is 21132111210321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256275231708 + ... + 256275231755.

It is an arithmetic number, because the mean of its divisors is an integer number (1922064237990).

Almost surely, 2^{12301211123112} is an apocalyptic number.

12301211123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12301211123112 is an abundant number, since it is smaller than the sum of its proper divisors (18451816684728).

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

12301211123112 is a wasteful number, since it uses less digits than its factorization.

12301211123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512550463472 (or 512550463468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12301211123112 its reverse (21132111210321), we get a palindrome (33433322333433).

The spelling of 12301211123112 in words is "twelve trillion, three hundred one billion, two hundred eleven million, one hundred twenty-three thousand, one hundred twelve".