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20120106632201 is a prime number
BaseRepresentation
bin1001001001100100100111…
…10011110000010000001001
32122020110111211021121000222
410210302103303300100021
510114121434244212301
6110443014400035425
74144425666401222
oct444622363602011
978213454247028
1020120106632201
116457986733544
12230b4b3002b75
13b2c4195c4584
144d7b65800249
1524d5843a131b
hex124c93cf0409

20120106632201 has 2 divisors, whose sum is σ = 20120106632202. Its totient is φ = 20120106632200.

The previous prime is 20120106632159. The next prime is 20120106632239. The reversal of 20120106632201 is 10223660102102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19482504382201 + 637602250000 = 4413899^2 + 798500^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120106632201 - 26 = 20120106632137 is a prime.

It is a super-2 number, since 2×201201066322012 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20120106632281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060053316100 + 10060053316101.

It is an arithmetic number, because the mean of its divisors is an integer number (10060053316101).

Almost surely, 220120106632201 is an apocalyptic number.

It is an amenable number.

20120106632201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120106632201 is an equidigital number, since it uses as much as digits as its factorization.

20120106632201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20120106632201 its reverse (10223660102102), we get a palindrome (30343766734303).

The spelling of 20120106632201 in words is "twenty trillion, one hundred twenty billion, one hundred six million, six hundred thirty-two thousand, two hundred one".