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212200112001 = 3521135764627
BaseRepresentation
bin1100010110100000011…
…1001011111110000001
3202021201120221120220110
43011220013023332001
511434041212041001
6241252224501533
721221342122443
oct3055007137601
9667646846813
10212200112001
1181aa2481999
123516147a8a9
1317019a79c67
14a3b0510493
1557be5723d6
hex31681cbf81

212200112001 has 8 divisors (see below), whose sum is σ = 283476543264. Its totient is φ = 141195211040.

The previous prime is 212200111987. The next prime is 212200112009. The reversal of 212200112001 is 100211002212.

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 212200112001 - 217 = 212199980929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212200112009) 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, 67880751 + ... + 67883876.

It is an arithmetic number, because the mean of its divisors is an integer number (35434567908).

Almost surely, 2212200112001 is an apocalyptic number.

It is an amenable number.

212200112001 is a deficient number, since it is larger than the sum of its proper divisors (71276431263).

212200112001 is a wasteful number, since it uses less digits than its factorization.

212200112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135765151.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212200112001 its reverse (100211002212), we get a palindrome (312411114213).

The spelling of 212200112001 in words is "two hundred twelve billion, two hundred million, one hundred twelve thousand, one".

Divisors: 1 3 521 1563 135764627 407293881 70733370667 212200112001