43314140212121 has 24 divisors (see below), whose sum is σ = 46234235624280. Its totient is φ = 40569565151232.

The previous prime is 43314140212067. The next prime is 43314140212127. The reversal of 43314140212121 is 12121204141334.

It can be written as a sum of positive squares in 12 ways, for example, as 1736649552400 + 41577490659721 = 1317820^2 + 6448061^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43314140212121 is a prime.

It is a super-2 number, since 2×43314140212121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43314140212127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79125071 + ... + 79670603.

It is an arithmetic number, because the mean of its divisors is an integer number (1926426484345).

Almost surely, 2^{43314140212121} is an apocalyptic number.

It is an amenable number.

43314140212121 is a deficient number, since it is larger than the sum of its proper divisors (2920095412159).

43314140212121 is a wasteful number, since it uses less digits than its factorization.

43314140212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546893 (or 546876 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 43314140212121 its reverse (12121204141334), we get a palindrome (55435344353455).

The spelling of 43314140212121 in words is "forty-three trillion, three hundred fourteen billion, one hundred forty million, two hundred twelve thousand, one hundred twenty-one".