12142541123 has 2 divisors, whose sum is σ = 12142541124. Its totient is φ = 12142541122.

The previous prime is 12142541107. The next prime is 12142541137. The reversal of 12142541123 is 32114524121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12142541123 - 2⁴ = 12142541107 is a prime.

It is a super-2 number, since 2×12142541123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12142541092 and 12142541101.

It is not a weakly prime, because it can be changed into another prime (12142541143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071270561 + 6071270562.

It is an arithmetic number, because the mean of its divisors is an integer number (6071270562).

Almost surely, 2^12142541123 is an apocalyptic number.

12142541123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142541123 is an equidigital number, since it uses as much as digits as its factorization.

12142541123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The spelling of 12142541123 in words is "twelve billion, one hundred forty-two million, five hundred forty-one thousand, one hundred twenty-three".