3212140344 has 64 divisors (see below), whose sum is σ = 9717408000. Its totient is φ = 863768064.

The previous prime is 3212140343. The next prime is 3212140397. The reversal of 3212140344 is 4430412123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212140343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559494 + ... + 565205.

It is an arithmetic number, because the mean of its divisors is an integer number (151834500).

Almost surely, 2^3212140344 is an apocalyptic number.

3212140344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3212140344 is an abundant number, since it is smaller than the sum of its proper divisors (6505267656).

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

3212140344 is a wasteful number, since it uses less digits than its factorization.

3212140344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124732 (or 1124728 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3212140344 is about 56675.7474057467. The cubic root of 3212140344 is about 1475.4738064562.

Adding to 3212140344 its reverse (4430412123), we get a palindrome (7642552467).

The spelling of 3212140344 in words is "three billion, two hundred twelve million, one hundred forty thousand, three hundred forty-four".