43212242123211 has 64 divisors (see below), whose sum is σ = 70294818816000. Its totient is φ = 23049384178176.

The previous prime is 43212242123191. The next prime is 43212242123251. The reversal of 43212242123211 is 11232124221234.

It is not a de Polignac number, because 43212242123211 - 2¹⁰ = 43212242122187 is a prime.

It is a super-2 number, since 2×43212242123211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43212242123251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27098340 + ... + 28648638.

It is an arithmetic number, because the mean of its divisors is an integer number (1098356544000).

Almost surely, 2^{43212242123211} is an apocalyptic number.

43212242123211 is a deficient number, since it is larger than the sum of its proper divisors (27082576692789).

43212242123211 is a wasteful number, since it uses less digits than its factorization.

43212242123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550968.

The product of its digits is 9216, while the sum is 30.

Adding to 43212242123211 its reverse (11232124221234), we get a palindrome (54444366344445).

The spelling of 43212242123211 in words is "forty-three trillion, two hundred twelve billion, two hundred forty-two million, one hundred twenty-three thousand, two hundred eleven".