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12111012010 = 25591011671217
BaseRepresentation
bin10110100011101111…
…10110000010101010
31011021001000011012101
423101313312002222
5144300404341020
65321433004014
7606056621626
oct132167660252
934231004171
1012111012010
115155394639
12241bb5360a
1311b01626c6
1482c678186
154ad39d00a
hex2d1df60aa

12111012010 has 64 divisors (see below), whose sum is σ = 22541379840. Its totient is φ = 4683059200.

The previous prime is 12111011999. The next prime is 12111012059. The reversal of 12111012010 is 1021011121.

It is a super-2 number, since 2×121110120102 (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 9950922 + ... + 9952138.

It is an arithmetic number, because the mean of its divisors is an integer number (352209060).

Almost surely, 212111012010 is an apocalyptic number.

12111012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111012010 is a deficient number, since it is larger than the sum of its proper divisors (10430367830).

12111012010 is a wasteful number, since it uses less digits than its factorization.

12111012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

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

Adding to 12111012010 its reverse (1021011121), we get a palindrome (13132023131).

The spelling of 12111012010 in words is "twelve billion, one hundred eleven million, twelve thousand, ten".

Divisors: 1 2 5 10 59 101 118 167 202 295 334 505 590 835 1010 1217 1670 2434 5959 6085 9853 11918 12170 16867 19706 29795 33734 49265 59590 71803 84335 98530 122917 143606 168670 203239 245834 359015 406478 614585 718030 995153 1016195 1229170 1990306 2032390 4975765 7252103 9951530 11991101 14504206 20527139 23982202 36260515 41054278 59955505 72521030 102635695 119911010 205271390 1211101201 2422202402 6055506005 12111012010