12120301043 has 4 divisors (see below), whose sum is σ = 12511278528. Its totient is φ = 11729323560.

The previous prime is 12120301021. The next prime is 12120301049. The reversal of 12120301043 is 34010302121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120301043 - 2¹⁰ = 12120300019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120301049) 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, 195488696 + ... + 195488757.

It is an arithmetic number, because the mean of its divisors is an integer number (3127819632).

Almost surely, 2^12120301043 is an apocalyptic number.

12120301043 is a deficient number, since it is larger than the sum of its proper divisors (390977485).

12120301043 is an equidigital number, since it uses as much as digits as its factorization.

12120301043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390977484.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120301043 its reverse (34010302121), we get a palindrome (46130603164).

The spelling of 12120301043 in words is "twelve billion, one hundred twenty million, three hundred one thousand, forty-three".