3212123112 has 144 divisors (see below), whose sum is σ = 9706744320. Its totient is φ = 958668480.

The previous prime is 3212123111. The next prime is 3212123113. The reversal of 3212123112 is 2113212123.

It is an interprime number because it is at equal distance from previous prime (3212123111) and next prime (3212123113).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3212123111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 580953 + ... + 586455.

Almost surely, 2^3212123112 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 3212123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4853372160).

3212123112 is an abundant number, since it is smaller than the sum of its proper divisors (6494621208).

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

3212123112 is a wasteful number, since it uses less digits than its factorization.

3212123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5586 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3212123112 is about 56675.5953828453. The cubic root of 3212123112 is about 1475.4711679860.

Adding to 3212123112 its reverse (2113212123), we get a palindrome (5325335235).

The spelling of 3212123112 in words is "three billion, two hundred twelve million, one hundred twenty-three thousand, one hundred twelve".