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12010221010 = 256717925703
BaseRepresentation
bin10110010111101110…
…10110110111010010
31011000000100102221101
423023313112313102
5144044104033020
65303432415014
7603424123414
oct131367266722
934000312841
1012010221010
115103502897
1223b224746a
131195302b68
1481d11c9b4
154a45de00a
hex2cbdd6dd2

12010221010 has 16 divisors (see below), whose sum is σ = 21941061696. Its totient is φ = 4732385328.

The previous prime is 12010220879. The next prime is 12010221019. The reversal of 12010221010 is 1012201021.

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 (12010221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8962182 + ... + 8963521.

It is an arithmetic number, because the mean of its divisors is an integer number (1371316356).

Almost surely, 212010221010 is an apocalyptic number.

12010221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12010221010 is a deficient number, since it is larger than the sum of its proper divisors (9930840686).

12010221010 is a wasteful number, since it uses less digits than its factorization.

12010221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925777.

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

Adding to 12010221010 its reverse (1012201021), we get a palindrome (13022422031).

The spelling of 12010221010 in words is "twelve billion, ten million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 67 134 335 670 17925703 35851406 89628515 179257030 1201022101 2402044202 6005110505 12010221010