43121301412 has 24 divisors (see below), whose sum is σ = 89216487360. Its totient is φ = 17843296800.

The previous prime is 43121301373. The next prime is 43121301463. The reversal of 43121301412 is 21410312134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26551714 + ... + 26553337.

It is an arithmetic number, because the mean of its divisors is an integer number (3717353640).

Almost surely, 2^43121301412 is an apocalyptic number.

It is an amenable number.

43121301412 is an abundant number, since it is smaller than the sum of its proper divisors (46095185948).

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

43121301412 is a wasteful number, since it uses less digits than its factorization.

43121301412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53105091 (or 53105089 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 43121301412 its reverse (21410312134), we get a palindrome (64531613546).

The spelling of 43121301412 in words is "forty-three billion, one hundred twenty-one million, three hundred one thousand, four hundred twelve".