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20121201010022 = 271437228643573
BaseRepresentation
bin1001001001100110101010…
…00010011110010101100110
32122020120100002112202011212
410210303111002132111212
510114131204424310042
6110443315132231422
74144465055430140
oct444632502362546
978216302482155
1020121201010022
116458398458822
12230b75960b572
13b2c562257208
144d7c2acb7c90
1524d5ea4c6482
hex124cd509e566

20121201010022 has 8 divisors (see below), whose sum is σ = 34493487445776. Its totient is φ = 8623371861432.

The previous prime is 20121201009961. The next prime is 20121201010069. The reversal of 20121201010022 is 22001010212102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1437228643573 = 20121201010022 / (2 + 0 + 1 + 2 + 1 + 2 + 0 + 1 + 0 + 1 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20121201009979 and 20121201010006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718614321773 + ... + 718614321800.

It is an arithmetic number, because the mean of its divisors is an integer number (4311685930722).

Almost surely, 220121201010022 is an apocalyptic number.

20121201010022 is a deficient number, since it is larger than the sum of its proper divisors (14372286435754).

20121201010022 is a wasteful number, since it uses less digits than its factorization.

20121201010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437228643582.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121201010022 its reverse (22001010212102), we get a palindrome (42122211222124).

The spelling of 20121201010022 in words is "twenty trillion, one hundred twenty-one billion, two hundred one million, ten thousand, twenty-two".

Divisors: 1 2 7 14 1437228643573 2874457287146 10060600505011 20121201010022