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210012101210201 = 997774121048061
BaseRepresentation
bin101111110000000101000000…
…101100001111000001011001
31000112120221221102102111001012
4233300011000230033001121
5210011314240402211301
62022354121041303305
762143605434401253
oct5760050054170131
91015527842374035
10210012101210201
1160a096a5146734
121b679903934b35
1390250965274c4
1439c08d5d98cd3
151942d6b595ebb
hexbf0140b0f059

210012101210201 has 4 divisors (see below), whose sum is σ = 210012132236004. Its totient is φ = 210012070184400.

The previous prime is 210012101210159. The next prime is 210012101210323. The reversal of 210012101210201 is 102012101210012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207779395848025 + 2232705362176 = 14414555^2 + 1494224^2 .

It is a cyclic number.

It is not a de Polignac number, because 210012101210201 - 218 = 210012100948057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012101218201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546290 + ... + 20501771.

It is an arithmetic number, because the mean of its divisors is an integer number (52503033059001).

Almost surely, 2210012101210201 is an apocalyptic number.

It is an amenable number.

210012101210201 is a deficient number, since it is larger than the sum of its proper divisors (31025803).

210012101210201 is an equidigital number, since it uses as much as digits as its factorization.

210012101210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31025802.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210012101210201 its reverse (102012101210012), we get a palindrome (312024202420213).

The spelling of 210012101210201 in words is "two hundred ten trillion, twelve billion, one hundred one million, two hundred ten thousand, two hundred one".

Divisors: 1 9977741 21048061 210012101210201