43012221034 has 4 divisors (see below), whose sum is σ = 64518331554. Its totient is φ = 21506110516.

The previous prime is 43012221017. The next prime is 43012221053.

43012221034 is nontrivially palindromic in base 10.

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., 25489080409 + 17523140625 = 159653^2 + 132375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43012220996 and 43012221014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10753055257 + ... + 10753055260.

Almost surely, 2^43012221034 is an apocalyptic number.

43012221034 is a deficient number, since it is larger than the sum of its proper divisors (21506110520).

43012221034 is a wasteful number, since it uses less digits than its factorization.

43012221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506110519.

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 43012221034 in words is "forty-three billion, twelve million, two hundred twenty-one thousand, thirty-four".