43111212443420 has 48 divisors (see below), whose sum is σ = 98777344288896. Its totient is φ = 15674665512000.

The previous prime is 43111212443413. The next prime is 43111212443441. The reversal of 43111212443420 is 2434421211134.

It is a super-3 number, since 3×43111212443420³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11752346 + ... + 14977985.

It is an arithmetic number, because the mean of its divisors is an integer number (2057861339352).

Almost surely, 2^{43111212443420} is an apocalyptic number.

It is an amenable number.

43111212443420 is an abundant number, since it is smaller than the sum of its proper divisors (55666131845476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43111212443420 is a wasteful number, since it uses less digits than its factorization.

43111212443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26737682 (or 26737680 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 43111212443420 its reverse (2434421211134), we get a palindrome (45545633654554).

The spelling of 43111212443420 in words is "forty-three trillion, one hundred eleven billion, two hundred twelve million, four hundred forty-three thousand, four hundred twenty".