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12011020020010 = 2511313522293261
BaseRepresentation
bin1010111011001000100010…
…0101001110100100101010
31120112020112122012010022201
42232302020211032210222
53033242032111120020
641313441511210414
72346524162436514
oct256621045164452
946466478163281
1012011020020010
113910932746a60
12141b996376a0a
1369183280679b
142d749d3c0bb4
1515c67a616a0a
hexaec8894e92a

12011020020010 has 32 divisors (see below), whose sum is σ = 24346091026944. Its totient is φ = 4226751912000.

The previous prime is 12011020019993. The next prime is 12011020020019. The reversal of 12011020020010 is 1002002011021.

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

It is not an unprimeable number, because it can be changed into a prime (12011020020019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761143221 + ... + 1761150040.

It is an arithmetic number, because the mean of its divisors is an integer number (760815344592).

Almost surely, 212011020020010 is an apocalyptic number.

12011020020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011020020010 is an abundant number, since it is smaller than the sum of its proper divisors (12335071006934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011020020010 is a wasteful number, since it uses less digits than its factorization.

12011020020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522293310.

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

Adding to 12011020020010 its reverse (1002002011021), we get a palindrome (13013022031031).

The spelling of 12011020020010 in words is "twelve trillion, eleven billion, twenty million, twenty thousand, ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 3522293261 7044586522 17611466305 35222932610 38745225871 77490451742 109191091091 193726129355 218382182182 387452258710 545955455455 1091910910910 1201102002001 2402204004002 6005510010005 12011020020010