3212143400 has 48 divisors (see below), whose sum is σ = 7542223740. Its totient is φ = 1272128000.

The previous prime is 3212143379. The next prime is 3212143427. The reversal of 3212143400 is 43412123.

It can be written as a sum of positive squares in 6 ways, for example, as 2312263396 + 899880004 = 48086^2 + 29998^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59309 + ... + 99708.

Almost surely, 2^3212143400 is an apocalyptic number.

It is an amenable number.

3212143400 is an abundant number, since it is smaller than the sum of its proper divisors (4330080340).

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

3212143400 is a wasteful number, since it uses less digits than its factorization.

3212143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159134 (or 159125 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3212143400 is about 56675.7743661258. The cubic root of 3212143400 is about 1475.4742743734.

Adding to 3212143400 its reverse (43412123), we get a palindrome (3255555523).

The spelling of 3212143400 in words is "three billion, two hundred twelve million, one hundred forty-three thousand, four hundred".