3213978908192 has 96 divisors (see below), whose sum is σ = 7017928646400. Its totient is φ = 1439260904448.

The previous prime is 3213978908171. The next prime is 3213978908233. The reversal of 3213978908192 is 2918098793123.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5234909 + ... + 5816547.

It is an arithmetic number, because the mean of its divisors is an integer number (73103423400).

Almost surely, 2^{3213978908192} is an apocalyptic number.

3213978908192 is a gapful number since it is divisible by the number (32) 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 3213978908192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508964323200).

3213978908192 is an abundant number, since it is smaller than the sum of its proper divisors (3803949738208).

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

3213978908192 is a wasteful number, since it uses less digits than its factorization.

3213978908192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582058 (or 582050 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 3213978908192 in words is "three trillion, two hundred thirteen billion, nine hundred seventy-eight million, nine hundred eight thousand, one hundred ninety-two".