12429522592421 has 16 divisors (see below), whose sum is σ = 14020726745088. Its totient is φ = 10916434959600.

The previous prime is 12429522592363. The next prime is 12429522592439.

12429522592421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12429522592421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12429522592421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429522592621) 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, 30847715 + ... + 31248048.

It is an arithmetic number, because the mean of its divisors is an integer number (876295421568).

Almost surely, 2^{12429522592421} is an apocalyptic number.

12429522592421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12429522592421 is a deficient number, since it is larger than the sum of its proper divisors (1591204152667).

12429522592421 is a wasteful number, since it uses less digits than its factorization.

12429522592421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62096392.

The product of its digits is 2073600, while the sum is 50.

The spelling of 12429522592421 in words is "twelve trillion, four hundred twenty-nine billion, five hundred twenty-two million, five hundred ninety-two thousand, four hundred twenty-one".