12111702143 has 4 divisors (see below), whose sum is σ = 12231620088. Its totient is φ = 11991784200.

The previous prime is 12111702121. The next prime is 12111702151. The reversal of 12111702143 is 34120711121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34120711121 = 7 ⋅4874387303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111702143 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 (12111702103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59958821 + ... + 59959022.

It is an arithmetic number, because the mean of its divisors is an integer number (3057905022).

Almost surely, 2^12111702143 is an apocalyptic number.

12111702143 is a deficient number, since it is larger than the sum of its proper divisors (119917945).

12111702143 is a wasteful number, since it uses less digits than its factorization.

12111702143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119917944.

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 12111702143 in words is "twelve billion, one hundred eleven million, seven hundred two thousand, one hundred forty-three".