43321040032212 has 48 divisors (see below), whose sum is σ = 116186697412800. Its totient is φ = 13942403687520.

The previous prime is 43321040032189. The next prime is 43321040032217. The reversal of 43321040032212 is 21223004012334.

43321040032212 is a `hidden beast` number, since 4 + 3 + 3 + 2 + 10 + 400 + 32 + 212 = 666.

It is a super-2 number, since 2×43321040032212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43321040032217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6915871714 + ... + 6915877977.

It is an arithmetic number, because the mean of its divisors is an integer number (2420556196100).

Almost surely, 2^{43321040032212} is an apocalyptic number.

It is an amenable number.

43321040032212 is an abundant number, since it is smaller than the sum of its proper divisors (72865657380588).

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

43321040032212 is a wasteful number, since it uses less digits than its factorization.

43321040032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831749733 (or 13831749725 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43321040032212 its reverse (21223004012334), we get a palindrome (64544044044546).

The spelling of 43321040032212 in words is "forty-three trillion, three hundred twenty-one billion, forty million, thirty-two thousand, two hundred twelve".