3321212323440 has 160 divisors (see below), whose sum is σ = 11232503788032. Its totient is φ = 805087360000.

The previous prime is 3321212323411. The next prime is 3321212323477. The reversal of 3321212323440 is 443232121233.

It is a happy number.

It is a super-2 number, since 2×3321212323440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3321212323398 and 3321212323407.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 49337005 + ... + 49404275.

Almost surely, 2^{3321212323440} is an apocalyptic number.

3321212323440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3321212323440 is an abundant number, since it is smaller than the sum of its proper divisors (7911291464592).

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

3321212323440 is a wasteful number, since it uses less digits than its factorization.

3321212323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85999 (or 85993 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 3321212323440 its reverse (443232121233), we get a palindrome (3764444444673).

The spelling of 3321212323440 in words is "three trillion, three hundred twenty-one billion, two hundred twelve million, three hundred twenty-three thousand, four hundred forty".