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220010212212001 = 873739937630529
BaseRepresentation
bin110010000001100100011110…
…100010111011110100100001
31001211222202210222011200111021
4302001210132202323310201
5212314121403311241001
62055531143550445441
764225133104610311
oct6201443642736441
91054882728150437
10220010212212001
1164113897159412
1220813552b03881
13959bb492019c3
143c487a0285441
151a67e85750ba1
hexc8191e8bbd21

220010212212001 has 8 divisors (see below), whose sum is σ = 220041252189320. Its totient is φ = 219979173593088.

The previous prime is 220010212211893. The next prime is 220010212212013. The reversal of 220010212212001 is 100212212010022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68789108966400 + 151221103245601 = 8293920^2 + 12297199^2 .

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 220010212212001 - 213 = 220010212203809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220010212812001) 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, 348614305 + ... + 349244833.

It is an arithmetic number, because the mean of its divisors is an integer number (27505156523665).

Almost surely, 2220010212212001 is an apocalyptic number.

It is an amenable number.

220010212212001 is a deficient number, since it is larger than the sum of its proper divisors (31039977319).

220010212212001 is an equidigital number, since it uses as much as digits as its factorization.

220010212212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679203.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220010212212001 its reverse (100212212010022), we get a palindrome (320222424222023).

The spelling of 220010212212001 in words is "two hundred twenty trillion, ten billion, two hundred twelve million, two hundred twelve thousand, one".

Divisors: 1 8737 39937 630529 348929569 5508931873 25181436673 220010212212001