213142144232420 has 96 divisors (see below), whose sum is σ = 512325318785280. Its totient is φ = 73832753594880.

The previous prime is 213142144232419. The next prime is 213142144232429. The reversal of 213142144232420 is 24232441241312.

It is not an unprimeable number, because it can be changed into a prime (213142144232429) 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, 208938671 + ... + 209956310.

It is an arithmetic number, because the mean of its divisors is an integer number (5336722070680).

Almost surely, 2^{213142144232420} is an apocalyptic number.

213142144232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213142144232420 is an abundant number, since it is smaller than the sum of its proper divisors (299183174552860).

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

213142144232420 is a wasteful number, since it uses less digits than its factorization.

213142144232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418895125 (or 418895123 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 213142144232420 its reverse (24232441241312), we get a palindrome (237374585473732).

The spelling of 213142144232420 in words is "two hundred thirteen trillion, one hundred forty-two billion, one hundred forty-four million, two hundred thirty-two thousand, four hundred twenty".