3212223212040 has 128 divisors (see below), whose sum is σ = 9679896576000. Its totient is φ = 852753888000.

The previous prime is 3212223212017. The next prime is 3212223212087. The reversal of 3212223212040 is 402123222123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3212223212040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62714361 + ... + 62765559.

It is an arithmetic number, because the mean of its divisors is an integer number (75624192000).

Almost surely, 2^{3212223212040} is an apocalyptic number.

3212223212040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212223212040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4839948288000).

3212223212040 is an abundant number, since it is smaller than the sum of its proper divisors (6467673363960).

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

3212223212040 is a wasteful number, since it uses less digits than its factorization.

3212223212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53547 (or 53543 counting only the distinct ones).

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

Adding to 3212223212040 its reverse (402123222123), we get a palindrome (3614346434163).

The spelling of 3212223212040 in words is "three trillion, two hundred twelve billion, two hundred twenty-three million, two hundred twelve thousand, forty".