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10221212001023 = 199631318725541
BaseRepresentation
bin1001010010111100111110…
…1101011110001011111111
31100012010201211122020102022
42110233033231132023333
52314431020233013043
633423320541550355
72103313106336012
oct224571755361377
940163654566368
1010221212001023
113290878787581
121190b332753bb
13591b18c8909a
142749d046b379
1512ad2573e868
hex94bcfb5e2ff

10221212001023 has 16 divisors (see below), whose sum is σ = 10292486054400. Its totient is φ = 10150148685600.

The previous prime is 10221212001017. The next prime is 10221212001031. The reversal of 10221212001023 is 32010021212201.

It is a cyclic number.

It is not a de Polignac number, because 10221212001023 - 218 = 10221211738879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221212000992 and 10221212001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221212001523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400175633 + ... + 400201173.

It is an arithmetic number, because the mean of its divisors is an integer number (643280378400).

Almost surely, 210221212001023 is an apocalyptic number.

10221212001023 is a deficient number, since it is larger than the sum of its proper divisors (71274053377).

10221212001023 is a wasteful number, since it uses less digits than its factorization.

10221212001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29558.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10221212001023 its reverse (32010021212201), we get a palindrome (42231233213224).

The spelling of 10221212001023 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one thousand, twenty-three".

Divisors: 1 199 631 3187 25541 125569 634213 2010997 5082659 16116371 81399167 400188403 3207157829 16198434233 51362874377 10221212001023