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212112022 = 2239443749
BaseRepresentation
bin11001010010010…
…01001010010110
3112210010101222211
430221021022112
5413300041042
633014144034
75153631253
oct1451111226
9483111884
10212112022
11a98059a1
125b05201a
1334c38295
142025642a
151394d017
hexca49296

212112022 has 8 divisors (see below), whose sum is σ = 319500000. Its totient is φ = 105612024.

The previous prime is 212112001. The next prime is 212112023. The reversal of 212112022 is 220211212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212111993 and 212112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221397 + ... + 222352.

It is an arithmetic number, because the mean of its divisors is an integer number (39937500).

Almost surely, 2212112022 is an apocalyptic number.

212112022 is a deficient number, since it is larger than the sum of its proper divisors (107387978).

212112022 is a wasteful number, since it uses less digits than its factorization.

212112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443990.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212112022 is about 14564.0661217944. The cubic root of 212112022 is about 596.3782019918.

Adding to 212112022 its reverse (220211212), we get a palindrome (432323234).

The spelling of 212112022 in words is "two hundred twelve million, one hundred twelve thousand, twenty-two".

Divisors: 1 2 239 478 443749 887498 106056011 212112022