43554052212 has 96 divisors (see below), whose sum is σ = 115877551104. Its totient is φ = 12603360000.

The previous prime is 43554052193. The next prime is 43554052231. The reversal of 43554052212 is 21225045534.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43554052193) and next prime (43554052231).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861587 + ... + 1884837.

It is an arithmetic number, because the mean of its divisors is an integer number (1207057824).

Almost surely, 2^43554052212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43554052212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57938775552).

43554052212 is an abundant number, since it is smaller than the sum of its proper divisors (72323498892).

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

43554052212 is a wasteful number, since it uses less digits than its factorization.

43554052212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23909 (or 23907 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 43554052212 its reverse (21225045534), we get a palindrome (64779097746).

The spelling of 43554052212 in words is "forty-three billion, five hundred fifty-four million, fifty-two thousand, two hundred twelve".