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212120022010211 = 7283107077244831
BaseRepresentation
bin110000001110110000001010…
…100011111100100101100011
31000211001110212001022000012022
4300032300022203330211203
5210300333301113311321
62031050332015452055
762452110613513250
oct6016601243744543
91024043761260168
10212120022010211
1161651661515927
121b95a34622702b
139148aa85a1203
143a54941838427
15197caddd61dab
hexc0ec0a8fc963

212120022010211 has 8 divisors (see below), whose sum is σ = 243279500258304. Its totient is φ = 181174698252360.

The previous prime is 212120022010151. The next prime is 212120022010279. The reversal of 212120022010211 is 112010220021212.

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

It is a cyclic number.

It is not a de Polignac number, because 212120022010211 - 218 = 212120021748067 is a prime.

It is a super-2 number, since 2×2121200220102112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212120022010211.

It is not an unprimeable number, because it can be changed into a prime (212120022610211) 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, 53538620435 + ... + 53538624396.

It is an arithmetic number, because the mean of its divisors is an integer number (30409937532288).

Almost surely, 2212120022010211 is an apocalyptic number.

212120022010211 is a deficient number, since it is larger than the sum of its proper divisors (31159478248093).

212120022010211 is a wasteful number, since it uses less digits than its factorization.

212120022010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107077245121.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212120022010211 its reverse (112010220021212), we get a palindrome (324130242031423).

The spelling of 212120022010211 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-two million, ten thousand, two hundred eleven".

Divisors: 1 7 283 1981 107077244831 749540713817 30302860287173 212120022010211