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212122321033 = 7151990120269
BaseRepresentation
bin1100010110001101111…
…0011100000010001001
3202021112011120101202111
43011203132130002021
511433411303233113
6241240405302321
721216405656560
oct3054336340211
9667464511674
10212122321033
1181a6257a437
123513b4049a1
13170069111bc
14a3a4060bd7
1557b780813d
hex316379c089

212122321033 has 16 divisors (see below), whose sum is σ = 244067664640. Its totient is φ = 180587880000.

The previous prime is 212122321003. The next prime is 212122321049. The reversal of 212122321033 is 330123221212.

It is a cyclic number.

It is not a de Polignac number, because 212122321033 - 25 = 212122321001 is a prime.

It is a super-2 number, since 2×2121223210332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212122320995 and 212122321013.

It is not an unprimeable number, because it can be changed into a prime (212122321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10455223 + ... + 10475491.

It is an arithmetic number, because the mean of its divisors is an integer number (15254229040).

Almost surely, 2212122321033 is an apocalyptic number.

It is an amenable number.

212122321033 is a deficient number, since it is larger than the sum of its proper divisors (31945343607).

212122321033 is a wasteful number, since it uses less digits than its factorization.

212122321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30328.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212122321033 its reverse (330123221212), we get a palindrome (542245542245).

The spelling of 212122321033 in words is "two hundred twelve billion, one hundred twenty-two million, three hundred twenty-one thousand, thirty-three".

Divisors: 1 7 151 1057 9901 20269 69307 141883 1495051 3060619 10465357 21424333 200683369 1404783583 30303188719 212122321033