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12020010021010 = 251202001002101
BaseRepresentation
bin1010111011101010000001…
…1011010111000010010010
31120120002202011110111021201
42232322200123113002102
53033413440031133020
641321525534141414
72350263024254125
oct256724033270222
946502664414251
1012020010021010
113914726328852
12142168505186a
136926361957c4
142d7ab33523bc
1515ca049baa0a
hexaeea06d7092

12020010021010 has 8 divisors (see below), whose sum is σ = 21636018037836. Its totient is φ = 4808004008400.

The previous prime is 12020010020999. The next prime is 12020010021037. The reversal of 12020010021010 is 1012001002021.

It can be written as a sum of positive squares in 2 ways, for example, as 12019943386441 + 66634569 = 3466979^2 + 8163^2 .

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 (10), and also a Moran number because the ratio is a prime number: 1202001002101 = 12020010021010 / (1 + 2 + 0 + 2 + 0 + 0 + 1 + 0 + 0 + 2 + 1 + 0 + 1 + 0).

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, 601000501041 + ... + 601000501060.

Almost surely, 212020010021010 is an apocalyptic number.

12020010021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020010021010 is a deficient number, since it is larger than the sum of its proper divisors (9616008016826).

12020010021010 is a wasteful number, since it uses less digits than its factorization.

12020010021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202001002108.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12020010021010 its reverse (1012001002021), we get a palindrome (13032011023031).

The spelling of 12020010021010 in words is "twelve trillion, twenty billion, ten million, twenty-one thousand, ten".

Divisors: 1 2 5 10 1202001002101 2404002004202 6010005010505 12020010021010