212193734270 has 32 divisors (see below), whose sum is σ = 450593888256. Its totient is φ = 70405293600.

The previous prime is 212193734261. The next prime is 212193734281. The reversal of 212193734270 is 72437391212.

It is a congruent 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, 48890396 + ... + 48894735.

It is an arithmetic number, because the mean of its divisors is an integer number (14081059008).

Almost surely, 2^212193734270 is an apocalyptic number.

212193734270 is an abundant number, since it is smaller than the sum of its proper divisors (238400153986).

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

212193734270 is a wasteful number, since it uses less digits than its factorization.

212193734270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97785176.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 212193734270 in words is "two hundred twelve billion, one hundred ninety-three million, seven hundred thirty-four thousand, two hundred seventy".