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212010112101 = 397172780677
BaseRepresentation
bin1100010101110011001…
…0011001010001100101
3202021020100102121001010
43011130302121101211
511433144042041401
6241221320252433
721213544135044
oct3053462312145
9667210377033
10212010112101
1181a051aa187
1235109911119
1316cb95b4598
14a3931b255b
1557aca40ed6
hex315cc99465

212010112101 has 8 divisors (see below), whose sum is σ = 282971276064. Its totient is φ = 141194511440.

The previous prime is 212010112081. The next prime is 212010112133. The reversal of 212010112101 is 101211010212.

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 212010112101 - 210 = 212010111077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010112151) 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, 36387426 + ... + 36393251.

It is an arithmetic number, because the mean of its divisors is an integer number (35371409508).

Almost surely, 2212010112101 is an apocalyptic number.

It is an amenable number.

212010112101 is a deficient number, since it is larger than the sum of its proper divisors (70961163963).

212010112101 is an equidigital number, since it uses as much as digits as its factorization.

212010112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72781651.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212010112101 its reverse (101211010212), we get a palindrome (313221122313).

The spelling of 212010112101 in words is "two hundred twelve billion, ten million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 971 2913 72780677 218342031 70670037367 212010112101