213144220410 has 64 divisors (see below), whose sum is σ = 558185572224. Its totient is φ = 51658803200.

The previous prime is 213144220379. The next prime is 213144220501. The reversal of 213144220410 is 14022441312.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323382 + ... + 1475678.

It is an arithmetic number, because the mean of its divisors is an integer number (8721649566).

Almost surely, 2^213144220410 is an apocalyptic number.

213144220410 is an abundant number, since it is smaller than the sum of its proper divisors (345041351814).

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

213144220410 is a wasteful number, since it uses less digits than its factorization.

213144220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156559.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 213144220410 its reverse (14022441312), we get a palindrome (227166661722).

The spelling of 213144220410 in words is "two hundred thirteen billion, one hundred forty-four million, two hundred twenty thousand, four hundred ten".