12140031143 has 16 divisors (see below), whose sum is σ = 13425600960. Its totient is φ = 10918887936.

The previous prime is 12140031121. The next prime is 12140031149. The reversal of 12140031143 is 34113004121.

It is a cyclic number.

It is not a de Polignac number, because 12140031143 - 2¹² = 12140027047 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 (12140031149) 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, 419621 + ... + 447617.

It is an arithmetic number, because the mean of its divisors is an integer number (839100060).

Almost surely, 2^12140031143 is an apocalyptic number.

12140031143 is a deficient number, since it is larger than the sum of its proper divisors (1285569817).

12140031143 is a wasteful number, since it uses less digits than its factorization.

12140031143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29146.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12140031143 its reverse (34113004121), we get a palindrome (46253035264).

The spelling of 12140031143 in words is "twelve billion, one hundred forty million, thirty-one thousand, one hundred forty-three".