12111031213013 has 16 divisors (see below), whose sum is σ = 12270749291136. Its totient is φ = 11951649515520.

The previous prime is 12111031212989. The next prime is 12111031213069. The reversal of 12111031213013 is 31031213011121.

It is a cyclic number.

It is not a de Polignac number, because 12111031213013 - 2⁸ = 12111031212757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111031213513) 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, 277544045 + ... + 277587677.

It is an arithmetic number, because the mean of its divisors is an integer number (766921830696).

Almost surely, 2^{12111031213013} is an apocalyptic number.

It is an amenable number.

12111031213013 is a deficient number, since it is larger than the sum of its proper divisors (159718078123).

12111031213013 is a wasteful number, since it uses less digits than its factorization.

12111031213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47404.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12111031213013 its reverse (31031213011121), we get a palindrome (43142244224134).

The spelling of 12111031213013 in words is "twelve trillion, one hundred eleven billion, thirty-one million, two hundred thirteen thousand, thirteen".