126343303343621 has 96 divisors (see below), whose sum is σ = 168182386864128. Its totient is φ = 92599066460160.

The previous prime is 126343303343611. The next prime is 126343303343633.

126343303343621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126343303343621 - 2¹⁴ = 126343303327237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126343303343611) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 352909916 + ... + 353267738.

It is an arithmetic number, because the mean of its divisors is an integer number (1751899863168).

Almost surely, 2^{126343303343621} is an apocalyptic number.

It is an amenable number.

126343303343621 is a deficient number, since it is larger than the sum of its proper divisors (41839083520507).

126343303343621 is a wasteful number, since it uses less digits than its factorization.

126343303343621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358151 (or 358138 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 44.

It can be divided in two parts, 12634330 and 3343621, that added together give a palindrome (15977951).

The spelling of 126343303343621 in words is "one hundred twenty-six trillion, three hundred forty-three billion, three hundred three million, three hundred forty-three thousand, six hundred twenty-one".