3211442020120 has 128 divisors (see below), whose sum is σ = 7481495016000. Its totient is φ = 1240051507200.

The previous prime is 3211442020099. The next prime is 3211442020121. The reversal of 3211442020120 is 210202441123.

It is a junction number, because it is equal to n+sod(n) for n = 3211442020091 and 3211442020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211442020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39411420 + ... + 39492820.

Almost surely, 2^{3211442020120} 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 3211442020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3740747508000).

3211442020120 is an abundant number, since it is smaller than the sum of its proper divisors (4270052995880).

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

3211442020120 is a wasteful number, since it uses less digits than its factorization.

3211442020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81773 (or 81769 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 3211442020120 its reverse (210202441123), we get a palindrome (3421644461243).

The spelling of 3211442020120 in words is "three trillion, two hundred eleven billion, four hundred forty-two million, twenty thousand, one hundred twenty".