212200340144 has 40 divisors (see below), whose sum is σ = 443042112240. Its totient is φ = 97877138688.

The previous prime is 212200340129. The next prime is 212200340147. The reversal of 212200340144 is 441043002212.

It is not an unprimeable number, because it can be changed into a prime (212200340147) 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, 12767 + ... + 651585.

It is an arithmetic number, because the mean of its divisors is an integer number (11076052806).

Almost surely, 2^212200340144 is an apocalyptic number.

It is an amenable number.

212200340144 is an abundant number, since it is smaller than the sum of its proper divisors (230841772096).

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

212200340144 is a wasteful number, since it uses less digits than its factorization.

212200340144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640437 (or 640431 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212200340144 its reverse (441043002212), we get a palindrome (653243342356).

The spelling of 212200340144 in words is "two hundred twelve billion, two hundred million, three hundred forty thousand, one hundred forty-four".