12351655043 has 32 divisors (see below), whose sum is σ = 15535543296. Its totient is φ = 9560654208.

The previous prime is 12351655009. The next prime is 12351655051. The reversal of 12351655043 is 34055615321.

It is a Cunningham number, because it is equal to 111138²-1.

It is not a de Polignac number, because 12351655043 - 2¹⁴ = 12351638659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12351654994 and 12351655012.

It is not an unprimeable number, because it can be changed into a prime (12351655003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770021 + ... + 785897.

It is an arithmetic number, because the mean of its divisors is an integer number (485485728).

Almost surely, 2^12351655043 is an apocalyptic number.

12351655043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12351655043 is a deficient number, since it is larger than the sum of its proper divisors (3183888253).

12351655043 is a wasteful number, since it uses less digits than its factorization.

12351655043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 12351655043 in words is "twelve billion, three hundred fifty-one million, six hundred fifty-five thousand, forty-three".