212240201102340 has 24 divisors (see below), whose sum is σ = 594272563086720. Its totient is φ = 56597386960608.

The previous prime is 212240201102339. The next prime is 212240201102357. The reversal of 212240201102340 is 43201102042212.

It is a self number, because there is not a number n which added to its sum of digits gives 212240201102340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768668342460 + ... + 1768668342579.

It is an arithmetic number, because the mean of its divisors is an integer number (24761356795280).

Almost surely, 2^{212240201102340} is an apocalyptic number.

212240201102340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212240201102340 is an abundant number, since it is smaller than the sum of its proper divisors (382032361984380).

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

212240201102340 is a wasteful number, since it uses less digits than its factorization.

212240201102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537336685051 (or 3537336685049 counting only the distinct ones).

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

Adding to 212240201102340 its reverse (43201102042212), we get a palindrome (255441303144552).

The spelling of 212240201102340 in words is "two hundred twelve trillion, two hundred forty billion, two hundred one million, one hundred two thousand, three hundred forty".