43212312222 has 16 divisors (see below), whose sum is σ = 87395688720. Its totient is φ = 14242260032.

The previous prime is 43212312217. The next prime is 43212312239. The reversal of 43212312222 is 22221321234.

It is a super-2 number, since 2×43212312222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43212312192 and 43212312201.

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, 40460433 + ... + 40461500.

It is an arithmetic number, because the mean of its divisors is an integer number (5462230545).

Almost surely, 2^43212312222 is an apocalyptic number.

43212312222 is an abundant number, since it is smaller than the sum of its proper divisors (44183376498).

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

43212312222 is a wasteful number, since it uses less digits than its factorization.

43212312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80922027.

The product of its digits is 2304, while the sum is 24.

Adding to 43212312222 its reverse (22221321234), we get a palindrome (65433633456).

The spelling of 43212312222 in words is "forty-three billion, two hundred twelve million, three hundred twelve thousand, two hundred twenty-two".