43275212126 has 48 divisors (see below), whose sum is σ = 71832443760. Its totient is φ = 19517836800.

The previous prime is 43275212119. The next prime is 43275212131. The reversal of 43275212126 is 62121257234.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1302926 + ... + 1335726.

It is an arithmetic number, because the mean of its divisors is an integer number (1496509245).

Almost surely, 2^43275212126 is an apocalyptic number.

43275212126 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

43275212126 is a deficient number, since it is larger than the sum of its proper divisors (28557231634).

43275212126 is a wasteful number, since it uses less digits than its factorization.

43275212126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32921 (or 32898 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The spelling of 43275212126 in words is "forty-three billion, two hundred seventy-five million, two hundred twelve thousand, one hundred twenty-six".