212122022193 has 12 divisors (see below), whose sum is σ = 306847092240. Its totient is φ = 141207628056.

The previous prime is 212122022131. The next prime is 212122022201. The reversal of 212122022193 is 391220221212.

212122022193 is a `hidden beast` number, since 212 + 1 + 220 + 221 + 9 + 3 = 666.

It is not a de Polignac number, because 212122022193 - 2⁶ = 212122022129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212122022293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17247963 + ... + 17260256.

It is an arithmetic number, because the mean of its divisors is an integer number (25570591020).

Almost surely, 2^212122022193 is an apocalyptic number.

It is an amenable number.

212122022193 is a deficient number, since it is larger than the sum of its proper divisors (94725070047).

212122022193 is a wasteful number, since it uses less digits than its factorization.

212122022193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34508908 (or 34508905 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 212122022193 in words is "two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, one hundred ninety-three".