43221004012 has 24 divisors (see below), whose sum is σ = 75846078000. Its totient is φ = 21550749696.

The previous prime is 43221004009. The next prime is 43221004031. The reversal of 43221004012 is 21040012234.

It is a super-2 number, since 2×43221004012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023064 + ... + 4033792.

It is an arithmetic number, because the mean of its divisors is an integer number (3160253250).

Almost surely, 2^43221004012 is an apocalyptic number.

It is an amenable number.

43221004012 is a deficient number, since it is larger than the sum of its proper divisors (32625073988).

43221004012 is a wasteful number, since it uses less digits than its factorization.

43221004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425 (or 13423 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 43221004012 its reverse (21040012234), we get a palindrome (64261016246).

The spelling of 43221004012 in words is "forty-three billion, two hundred twenty-one million, four thousand, twelve".