3212143140 has 24 divisors (see below), whose sum is σ = 8994000960. Its totient is φ = 856571488.

The previous prime is 3212143139. The next prime is 3212143141. The reversal of 3212143140 is 413412123.

It is an interprime number because it is at equal distance from previous prime (3212143139) and next prime (3212143141).

It is not an unprimeable number, because it can be changed into a prime (3212143141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26767800 + ... + 26767919.

It is an arithmetic number, because the mean of its divisors is an integer number (374750040).

Almost surely, 2^3212143140 is an apocalyptic number.

3212143140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3212143140 is an abundant number, since it is smaller than the sum of its proper divisors (5781857820).

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

3212143140 is a wasteful number, since it uses less digits than its factorization.

3212143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53535731 (or 53535729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3212143140 is about 56675.7720723767. The cubic root of 3212143140 is about 1475.4742345637.

Adding to 3212143140 its reverse (413412123), we get a palindrome (3625555263).

The spelling of 3212143140 in words is "three billion, two hundred twelve million, one hundred forty-three thousand, one hundred forty".