3212212224040 has 64 divisors (see below), whose sum is σ = 7479844819200. Its totient is φ = 1240056851712.

The previous prime is 3212212224031. The next prime is 3212212224043. The reversal of 3212212224040 is 404222122123.

It is a junction number, because it is equal to n+sod(n) for n = 3212212223996 and 3212212224014.

It is not an unprimeable number, because it can be changed into a prime (3212212224043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183259 + ... + 3345301.

It is an arithmetic number, because the mean of its divisors is an integer number (116872575300).

Almost surely, 2^{3212212224040} 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 3212212224040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739922409600).

3212212224040 is an abundant number, since it is smaller than the sum of its proper divisors (4267632595160).

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

3212212224040 is a wasteful number, since it uses less digits than its factorization.

3212212224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164466 (or 1164462 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 3212212224040 its reverse (404222122123), we get a palindrome (3616434346163).

The spelling of 3212212224040 in words is "three trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-four thousand, forty".