43201422012 has 24 divisors (see below), whose sum is σ = 115203792256. Its totient is φ = 12343263408.

The previous prime is 43201421971. The next prime is 43201422053. The reversal of 43201422012 is 21022410234.

It is an interprime number because it is at equal distance from previous prime (43201421971) and next prime (43201422053).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 43201422012.

It is a congruent number.

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, 257151238 + ... + 257151405.

Almost surely, 2^43201422012 is an apocalyptic number.

43201422012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43201422012 is an abundant number, since it is smaller than the sum of its proper divisors (72002370244).

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

43201422012 is a wasteful number, since it uses less digits than its factorization.

43201422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514302657 (or 514302655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 43201422012 its reverse (21022410234), we get a palindrome (64223832246).

The spelling of 43201422012 in words is "forty-three billion, two hundred one million, four hundred twenty-two thousand, twelve".