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12012001211010 = 2351785237276323
BaseRepresentation
bin1010111011001100001100…
…0100001011001010000010
31120112100002000110210100010
42232303003010023022002
53033301034302223020
641314123121405350
72346560405431623
oct256630304131202
946470060423303
1012012001211010
113911296593309
12142000aa99856
1369195ab89688
142d7553833a4a
1515c6d682ede0
hexaecc310b282

12012001211010 has 64 divisors (see below), whose sum is σ = 30525083425152. Its totient is φ = 3014730494976.

The previous prime is 12012001210943. The next prime is 12012001211029. The reversal of 12012001211010 is 1011210021021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43332709 + ... + 43609031.

It is an arithmetic number, because the mean of its divisors is an integer number (476954428518).

Almost surely, 212012001211010 is an apocalyptic number.

12012001211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012001211010 is an abundant number, since it is smaller than the sum of its proper divisors (18513082214142).

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

12012001211010 is a wasteful number, since it uses less digits than its factorization.

12012001211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361587.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12012001211010 its reverse (1011210021021), we get a palindrome (13023211232031).

The spelling of 12012001211010 in words is "twelve trillion, twelve billion, one million, two hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 85237 170474 255711 276323 426185 511422 552646 828969 852370 1278555 1381615 1449029 1657938 2557110 2763230 2898058 4144845 4347087 4697491 7245145 8289690 8694174 9394982 14092473 14490290 21735435 23487455 28184946 43470870 46974910 70462365 140924730 23552943551 47105887102 70658830653 117764717755 141317661306 235529435510 353294153265 400400040367 706588306530 800800080734 1201200121101 2002000201835 2402400242202 4004000403670 6006000605505 12012001211010