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12102012010 = 2511827133033
BaseRepresentation
bin10110100010101011…
…00000110001101010
31011020102001220112001
423101111200301222
5144241103341020
65320512041214
7605620255564
oct132125406152
934212056461
1012102012010
1151502a7820
122418b3320a
1311ab33106a
1482b3b4334
154ac6c150a
hex2d1560c6a

12102012010 has 32 divisors (see below), whose sum is σ = 23792864832. Its totient is φ = 4395377280.

The previous prime is 12102011989. The next prime is 12102012023. The reversal of 12102012010 is 1021020121.

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, 24454 + ... + 157486.

It is an arithmetic number, because the mean of its divisors is an integer number (743527026).

Almost surely, 212102012010 is an apocalyptic number.

12102012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102012010 is a deficient number, since it is larger than the sum of its proper divisors (11690852822).

12102012010 is a wasteful number, since it uses less digits than its factorization.

12102012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133878.

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

Adding to 12102012010 its reverse (1021020121), we get a palindrome (13123032131).

The spelling of 12102012010 in words is "twelve billion, one hundred two million, twelve thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 827 1654 4135 8270 9097 18194 45485 90970 133033 266066 665165 1330330 1463363 2926726 7316815 14633630 110018291 220036582 550091455 1100182910 1210201201 2420402402 6051006005 12102012010