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12002102210 = 257199024137
BaseRepresentation
bin10110010110110000…
…11000101111000010
31010222110001222001002
423023120120233002
5144040014232320
65302542412002
7603265120430
oct131330305702
933873058032
1012002102210
1150a996803a
1223ab591002
13119371c637
1481c007d50
154a3a38675
hex2cb618bc2

12002102210 has 32 divisors (see below), whose sum is σ = 25989517440. Its totient is φ = 3898426752.

The previous prime is 12002102183. The next prime is 12002102243. The reversal of 12002102210 is 1220120021.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12002102191 and 12002102200.

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, 4510739 + ... + 4513398.

It is an arithmetic number, because the mean of its divisors is an integer number (812172420).

Almost surely, 212002102210 is an apocalyptic number.

12002102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002102210 is an abundant number, since it is smaller than the sum of its proper divisors (13987415230).

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

12002102210 is a wasteful number, since it uses less digits than its factorization.

12002102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024170.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12002102210 its reverse (1220120021), we get a palindrome (13222222231).

The spelling of 12002102210 in words is "twelve billion, two million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 9024137 18048274 45120685 63168959 90241370 126337918 171458603 315844795 342917206 631689590 857293015 1200210221 1714586030 2400420442 6001051105 12002102210