43421211212434 has 16 divisors (see below), whose sum is σ = 71222468395680. Its totient is φ = 19689809376160.

The previous prime is 43421211212419. The next prime is 43421211212459.

43421211212434 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 43421211212434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355231139 + ... + 2355249574.

It is an arithmetic number, because the mean of its divisors is an integer number (4451404274730).

Almost surely, 2^{43421211212434} is an apocalyptic number.

43421211212434 is a deficient number, since it is larger than the sum of its proper divisors (27801257183246).

43421211212434 is a wasteful number, since it uses less digits than its factorization.

43421211212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710481145.

The product of its digits is 36864, while the sum is 34.

It can be divided in two parts, 4342121 and 1212434, that added together give a palindrome (5554555).

The spelling of 43421211212434 in words is "forty-three trillion, four hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, four hundred thirty-four".