43047512122 has 4 divisors (see below), whose sum is σ = 64571268186. Its totient is φ = 21523756060.

The previous prime is 43047512117. The next prime is 43047512147. The reversal of 43047512122 is 22121574034.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25030087681 + 18017424441 = 158209^2 + 134229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10761878029 + ... + 10761878032.

Almost surely, 2^43047512122 is an apocalyptic number.

43047512122 is a deficient number, since it is larger than the sum of its proper divisors (21523756064).

43047512122 is a wasteful number, since it uses less digits than its factorization.

43047512122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523756063.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 43047512122 in words is "forty-three billion, forty-seven million, five hundred twelve thousand, one hundred twenty-two".