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10212100231231 is a prime number
BaseRepresentation
bin1001010010011011000010…
…0110110101000000111111
31100011021012211020101002001
42110212300212311000333
52314303340124344411
633415212445043131
72102541235512343
oct224466046650077
940137184211061
1010212100231231
113287a22396018
12118b20b8564a7
13590cc6304022
142743a827d623
1512a990835dc1
hex949b09b503f

10212100231231 has 2 divisors, whose sum is σ = 10212100231232. Its totient is φ = 10212100231230.

The previous prime is 10212100231163. The next prime is 10212100231243. The reversal of 10212100231231 is 13213200121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212100231231 - 211 = 10212100229183 is a prime.

It is a super-2 number, since 2×102121002312312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212100231199 and 10212100231208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212106231231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106050115615 + 5106050115616.

It is an arithmetic number, because the mean of its divisors is an integer number (5106050115616).

Almost surely, 210212100231231 is an apocalyptic number.

10212100231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212100231231 is an equidigital number, since it uses as much as digits as its factorization.

10212100231231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10212100231231 its reverse (13213200121201), we get a palindrome (23425300352432).

The spelling of 10212100231231 in words is "ten trillion, two hundred twelve billion, one hundred million, two hundred thirty-one thousand, two hundred thirty-one".