12342042973 has 16 divisors (see below), whose sum is σ = 13941123840. Its totient is φ = 10848879936.

The previous prime is 12342042967. The next prime is 12342042991. The reversal of 12342042973 is 37924024321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12342042973 - 2²⁵ = 12308488541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342042073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250363 + ... + 295576.

It is an arithmetic number, because the mean of its divisors is an integer number (871320240).

Almost surely, 2^12342042973 is an apocalyptic number.

12342042973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12342042973 is a deficient number, since it is larger than the sum of its proper divisors (1599080867).

12342042973 is a wasteful number, since it uses less digits than its factorization.

12342042973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546036.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 12342042973 in words is "twelve billion, three hundred forty-two million, forty-two thousand, nine hundred seventy-three".