3212049820 has 96 divisors (see below), whose sum is σ = 8072322048. Its totient is φ = 1049697792.

The previous prime is 3212049811. The next prime is 3212049829. The reversal of 3212049820 is 289402123.

It is an interprime number because it is at equal distance from previous prime (3212049811) and next prime (3212049829).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212049829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006267 + ... + 1009453.

It is an arithmetic number, because the mean of its divisors is an integer number (84086688).

Almost surely, 2^3212049820 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 3212049820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036161024).

3212049820 is an abundant number, since it is smaller than the sum of its proper divisors (4860272228).

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

3212049820 is a wasteful number, since it uses less digits than its factorization.

3212049820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 3212049820 is about 56674.9487869200. The cubic root of 3212049820 is about 1475.4599458076.

The spelling of 3212049820 in words is "three billion, two hundred twelve million, forty-nine thousand, eight hundred twenty".