43102312212 has 48 divisors (see below), whose sum is σ = 109515873600. Its totient is φ = 13141900800.

The previous prime is 43102312181. The next prime is 43102312217. The reversal of 43102312212 is 21221320134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43102312217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252789 + ... + 3266012.

It is an arithmetic number, because the mean of its divisors is an integer number (2281580700).

Almost surely, 2^43102312212 is an apocalyptic number.

It is an amenable number.

43102312212 is an abundant number, since it is smaller than the sum of its proper divisors (66413561388).

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

43102312212 is a wasteful number, since it uses less digits than its factorization.

43102312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518856 (or 6518854 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 43102312212 its reverse (21221320134), we get a palindrome (64323632346).

The spelling of 43102312212 in words is "forty-three billion, one hundred two million, three hundred twelve thousand, two hundred twelve".