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12001010210 = 257829206807
BaseRepresentation
bin10110010110101000…
…01110001000100010
31010222101000111002122
423023110032020202
5144034224311320
65302503144242
7603252621650
oct131324161042
933871014078
1012001010210
1150a9291662
1223ab145082
131193429597
1481bc01dd0
154a38bed25
hex2cb50e222

12001010210 has 32 divisors (see below), whose sum is σ = 24717692160. Its totient is φ = 4109648832.

The previous prime is 12001010207. The next prime is 12001010213. The reversal of 12001010210 is 1201010021.

It is an interprime number because it is at equal distance from previous prime (12001010207) and next prime (12001010213).

It is not an unprimeable number, because it can be changed into a prime (12001010213) 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, 45374 + ... + 161433.

It is an arithmetic number, because the mean of its divisors is an integer number (772427880).

Almost surely, 212001010210 is an apocalyptic number.

12001010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001010210 is an abundant number, since it is smaller than the sum of its proper divisors (12716681950).

12001010210 is a wasteful number, since it uses less digits than its factorization.

12001010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207650.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12001010210 its reverse (1201010021), we get a palindrome (13202020231).

The spelling of 12001010210 in words is "twelve billion, one million, ten thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 829 1658 4145 5803 8290 11606 29015 58030 206807 413614 1034035 1447649 2068070 2895298 7238245 14476490 171443003 342886006 857215015 1200101021 1714430030 2400202042 6000505105 12001010210