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10121223461 is a prime number
BaseRepresentation
bin10010110110100010…
…11001110100100101
3222010100212102110012
421123101121310211
5131212013122321
64352152540005
7505545660056
oct113321316445
928110772405
1010121223461
114324191a98
121b656b1605
13c53b5222b
146c02ba72d
153e385605b
hex25b459d25

10121223461 has 2 divisors, whose sum is σ = 10121223462. Its totient is φ = 10121223460.

The previous prime is 10121223421. The next prime is 10121223523. The reversal of 10121223461 is 16432212101.

10121223461 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7409938561 + 2711284900 = 86081^2 + 52070^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121223461 - 26 = 10121223397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121223421) 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 as a sum of consecutive naturals, namely, 5060611730 + 5060611731.

It is an arithmetic number, because the mean of its divisors is an integer number (5060611731).

Almost surely, 210121223461 is an apocalyptic number.

It is an amenable number.

10121223461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121223461 is an equidigital number, since it uses as much as digits as its factorization.

10121223461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10121223461 its reverse (16432212101), we get a palindrome (26553435562).

The spelling of 10121223461 in words is "ten billion, one hundred twenty-one million, two hundred twenty-three thousand, four hundred sixty-one".