3423212120 has 32 divisors (see below), whose sum is σ = 7709022720. Its totient is φ = 1368076800.

The previous prime is 3423212119. The next prime is 3423212131. The reversal of 3423212120 is 212123243.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3423212092 and 3423212101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8864 + ... + 83216.

It is an arithmetic number, because the mean of its divisors is an integer number (240906960).

Almost surely, 2^3423212120 is an apocalyptic number.

It is an amenable number.

3423212120 is an abundant number, since it is smaller than the sum of its proper divisors (4285810600).

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

3423212120 is a wasteful number, since it uses less digits than its factorization.

3423212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75515 (or 75511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3423212120 is about 58508.2226699803. Note that the first 3 decimals coincide. The cubic root of 3423212120 is about 1507.1087931155.

Adding to 3423212120 its reverse (212123243), we get a palindrome (3635335363).

The spelling of 3423212120 in words is "three billion, four hundred twenty-three million, two hundred twelve thousand, one hundred twenty".