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12002101210 = 2511154970439
BaseRepresentation
bin10110010110110000…
…11000011111011010
31010222110001220200001
423023120120133122
5144040014214320
65302542403214
7603265114501
oct131330303732
933873056601
1012002101210
1150a9967310
1223ab59050a
13119371c048
1481c007838
154a3a3820a
hex2cb6187da

12002101210 has 32 divisors (see below), whose sum is σ = 23583312000. Its totient is φ = 4361520960.

The previous prime is 12002101159. The next prime is 12002101253. The reversal of 12002101210 is 1210120021.

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, 135171 + ... + 205609.

It is an arithmetic number, because the mean of its divisors is an integer number (736978500).

Almost surely, 212002101210 is an apocalyptic number.

12002101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002101210 is a deficient number, since it is larger than the sum of its proper divisors (11581210790).

12002101210 is a wasteful number, since it uses less digits than its factorization.

12002101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72006.

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

Adding to 12002101210 its reverse (1210120021), we get a palindrome (13212221231).

The spelling of 12002101210 in words is "twelve billion, two million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1549 3098 7745 15490 17039 34078 70439 85195 140878 170390 352195 704390 774829 1549658 3874145 7748290 109110011 218220022 545550055 1091100110 1200210121 2400420242 6001050605 12002101210