3261212430 has 128 divisors (see below), whose sum is σ = 9231667200. Its totient is φ = 721903104.

The previous prime is 3261212419. The next prime is 3261212441. The reversal of 3261212430 is 342121623.

It is an interprime number because it is at equal distance from previous prime (3261212419) and next prime (3261212441).

It is a self number, because there is not a number n which added to its sum of digits gives 3261212430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 877416 + ... + 881124.

It is an arithmetic number, because the mean of its divisors is an integer number (72122400).

Almost surely, 2^3261212430 is an apocalyptic number.

3261212430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261212430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4615833600).

3261212430 is an abundant number, since it is smaller than the sum of its proper divisors (5970454770).

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

3261212430 is a wasteful number, since it uses less digits than its factorization.

3261212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3261212430 is about 57107.0261001219. The cubic root of 3261212430 is about 1482.9495036283.

The spelling of 3261212430 in words is "three billion, two hundred sixty-one million, two hundred twelve thousand, four hundred thirty".