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12021011001010 = 25111031060989497
BaseRepresentation
bin1010111011101101110000…
…0101110010111010110010
31120120012022220222112201001
42232323130011302322302
53033423012304013020
641322213132432214
72350326600406144
oct256733405627262
946505286875631
1012021011001010
11391509a360950
12142190431866a
13692765686a6b
142d7b6a276c94
1515ca627e250a
hexaeedc172eb2

12021011001010 has 32 divisors (see below), whose sum is σ = 23834068083072. Its totient is φ = 4328837143680.

The previous prime is 12021011000959. The next prime is 12021011001071. The reversal of 12021011001010 is 1010011012021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530483419 + ... + 530506078.

It is an arithmetic number, because the mean of its divisors is an integer number (744814627596).

Almost surely, 212021011001010 is an apocalyptic number.

12021011001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021011001010 is a deficient number, since it is larger than the sum of its proper divisors (11813057082062).

12021011001010 is a wasteful number, since it uses less digits than its factorization.

12021011001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060989618.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12021011001010 its reverse (1010011012021), we get a palindrome (13031022013031).

The spelling of 12021011001010 in words is "twelve trillion, twenty-one billion, eleven million, one thousand, ten".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 2266 5665 11330 1060989497 2121978994 5304947485 10609894970 11670884467 23341768934 58354422335 109281918191 116708844670 218563836382 546409590955 1092819181910 1202101100101 2404202200202 6010505500505 12021011001010