3420013212 has 360 divisors, whose sum is σ = 11474016400. Its totient is φ = 880165440.

The previous prime is 3420013211. The next prime is 3420013229. The reversal of 3420013212 is 2123100243.

3420013212 is a `hidden beast` number, since 342 + 0 + 0 + 1 + 321 + 2 = 666.

3420013212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420013211) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 31376214 + ... + 31376322.

Almost surely, 2^3420013212 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 3420013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5737008200).

3420013212 is an abundant number, since it is smaller than the sum of its proper divisors (8054003188).

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

3420013212 is a wasteful number, since it uses less digits than its factorization.

3420013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3420013212 is about 58480.8790289613. The cubic root of 3420013212 is about 1506.6391947071.

Adding to 3420013212 its reverse (2123100243), we get a palindrome (5543113455).

The spelling of 3420013212 in words is "three billion, four hundred twenty million, thirteen thousand, two hundred twelve".