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212001101211 = 397728526121
BaseRepresentation
bin1100010101110001000…
…0000001010110011011
3202021012201110210102110
43011130100001112123
511433134240214321
6241220355203403
721213404425164
oct3053420012633
9667181423373
10212001101211
1181a00105169
12351068a6563
1316cb777acb3
14a391d0876b
1557abd61176
hex315c40159b

212001101211 has 8 divisors (see below), whose sum is σ = 285582239824. Its totient is φ = 139877015040.

The previous prime is 212001101203. The next prime is 212001101237. The reversal of 212001101211 is 112101100212.

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

It is not a de Polignac number, because 212001101211 - 23 = 212001101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001101111) 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, 364262770 + ... + 364263351.

It is an arithmetic number, because the mean of its divisors is an integer number (35697779978).

Almost surely, 2212001101211 is an apocalyptic number.

212001101211 is a deficient number, since it is larger than the sum of its proper divisors (73581138613).

212001101211 is an equidigital number, since it uses as much as digits as its factorization.

212001101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728526221.

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

Adding to 212001101211 its reverse (112101100212), we get a palindrome (324102201423).

Subtracting from 212001101211 its reverse (112101100212), we obtain a palindrome (99900000999).

The spelling of 212001101211 in words is "two hundred twelve billion, one million, one hundred one thousand, two hundred eleven".

Divisors: 1 3 97 291 728526121 2185578363 70667033737 212001101211