212204021258 has 16 divisors (see below), whose sum is σ = 319018331520. Its totient is φ = 105864803616.

The previous prime is 212204021257. The next prime is 212204021261. The reversal of 212204021258 is 852120402212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212204021258.

It is not an unprimeable number, because it can be changed into a prime (212204021257) 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, 1856798 + ... + 1967766.

It is an arithmetic number, because the mean of its divisors is an integer number (19938645720).

Almost surely, 2^212204021258 is an apocalyptic number.

212204021258 is a deficient number, since it is larger than the sum of its proper divisors (106814310262).

212204021258 is a wasteful number, since it uses less digits than its factorization.

212204021258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113101.

The product of its (nonzero) digits is 5120, while the sum is 29.

The spelling of 212204021258 in words is "two hundred twelve billion, two hundred four million, twenty-one thousand, two hundred fifty-eight".