3212281968 has 240 divisors, whose sum is σ = 10177491456. Its totient is φ = 854945280.

The previous prime is 3212281939. The next prime is 3212281979. The reversal of 3212281968 is 8691822123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8611830 + ... + 8612202.

Almost surely, 2^3212281968 is an apocalyptic number.

3212281968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212281968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5088745728).

3212281968 is an abundant number, since it is smaller than the sum of its proper divisors (6965209488).

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

3212281968 is a wasteful number, since it uses less digits than its factorization.

3212281968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 475 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 3212281968 is about 56676.9968152865. The cubic root of 3212281968 is about 1475.4954907964.

The spelling of 3212281968 in words is "three billion, two hundred twelve million, two hundred eighty-one thousand, nine hundred sixty-eight".