126330021351 has 12 divisors (see below), whose sum is σ = 182494273728. Its totient is φ = 84211902144.

The previous prime is 126330021347. The next prime is 126330021361. The reversal of 126330021351 is 153120033621.

126330021351 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 300 + 2 + 1 + 351 = 666.

It is not a de Polignac number, because 126330021351 - 2² = 126330021347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126330021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576610 + ... + 764943.

It is an arithmetic number, because the mean of its divisors is an integer number (15207856144).

Almost surely, 2^126330021351 is an apocalyptic number.

126330021351 is a deficient number, since it is larger than the sum of its proper divisors (56164252377).

126330021351 is a wasteful number, since it uses less digits than its factorization.

126330021351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352022 (or 1352019 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 126330021351 its reverse (153120033621), we get a palindrome (279450054972).

The spelling of 126330021351 in words is "one hundred twenty-six billion, three hundred thirty million, twenty-one thousand, three hundred fifty-one".