43430450721212 has 6 divisors (see below), whose sum is σ = 76003288762128. Its totient is φ = 21715225360604.

The previous prime is 43430450721209. The next prime is 43430450721241. The reversal of 43430450721212 is 21212705403434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428806340148 + ... + 5428806340155.

It is an arithmetic number, because the mean of its divisors is an integer number (12667214793688).

Almost surely, 2^{43430450721212} is an apocalyptic number.

It is an amenable number.

43430450721212 is a deficient number, since it is larger than the sum of its proper divisors (32572838040916).

43430450721212 is a wasteful number, since it uses less digits than its factorization.

43430450721212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857612680307 (or 10857612680305 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 43430450721212 in words is "forty-three trillion, four hundred thirty billion, four hundred fifty million, seven hundred twenty-one thousand, two hundred twelve".