212500340034340 has 48 divisors (see below), whose sum is σ = 497369216937600. Its totient is φ = 75789594957312.

The previous prime is 212500340034239. The next prime is 212500340034379. The reversal of 212500340034340 is 43430043005212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16447388280 + ... + 16447401199.

It is an arithmetic number, because the mean of its divisors is an integer number (10361858686200).

Almost surely, 2^{212500340034340} is an apocalyptic number.

212500340034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212500340034340 is an abundant number, since it is smaller than the sum of its proper divisors (284868876903260).

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

212500340034340 is a wasteful number, since it uses less digits than its factorization.

212500340034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32894789524 (or 32894789522 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 212500340034340 its reverse (43430043005212), we get a palindrome (255930383039552).

The spelling of 212500340034340 in words is "two hundred twelve trillion, five hundred billion, three hundred forty million, thirty-four thousand, three hundred forty".