43121211212134 has 16 divisors (see below), whose sum is σ = 70577849465856. Its totient is φ = 19596142917000.

The previous prime is 43121211212099. The next prime is 43121211212203.

43121211212134 is nontrivially palindromic in base 10.

43121211212134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 220281642 + ... + 220477309.

It is an arithmetic number, because the mean of its divisors is an integer number (4411115591616).

Almost surely, 2^{43121211212134} is an apocalyptic number.

43121211212134 is a deficient number, since it is larger than the sum of its proper divisors (27456638253722).

43121211212134 is a wasteful number, since it uses less digits than its factorization.

43121211212134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440763411.

The product of its digits is 2304, while the sum is 28.

It can be divided in two parts, 4312121 and 1212134, that added together give a palindrome (5524255).

The spelling of 43121211212134 in words is "forty-three trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, one hundred thirty-four".