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12100020120101 = 53657613471697
BaseRepresentation
bin1011000000010100000101…
…1001101010101000100101
31120211202021012120122122002
42300011001121222220211
53041221320122320401
641422401132215045
72356124531010134
oct260050131525045
946752235518562
1012100020120101
113945653a02491
12143509430a485
1369a0474252c4
142db90359991b
1515eb38cd1a6b
hexb014166aa25

12100020120101 has 8 divisors (see below), whose sum is σ = 12328513409304. Its totient is φ = 11871533905920.

The previous prime is 12100020120091. The next prime is 12100020120119. The reversal of 12100020120101 is 10102102000121.

It can be written as a sum of positive squares in 4 ways, for example, as 2322579048001 + 9777441072100 = 1524001^2 + 3126890^2 .

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 12100020120101 - 26 = 12100020120037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749485 + ... + 5221181.

It is an arithmetic number, because the mean of its divisors is an integer number (1541064176163).

Almost surely, 212100020120101 is an apocalyptic number.

It is an amenable number.

12100020120101 is a deficient number, since it is larger than the sum of its proper divisors (228493289203).

12100020120101 is an equidigital number, since it uses as much as digits as its factorization.

12100020120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537511.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100020120101 its reverse (10102102000121), we get a palindrome (22202122120222).

The spelling of 12100020120101 in words is "twelve trillion, one hundred billion, twenty million, one hundred twenty thousand, one hundred one".

Divisors: 1 53 65761 3471697 3485333 183999941 228302266417 12100020120101