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12002114220 = 2235223897019
BaseRepresentation
bin10110010110110000…
…11011101010101100
31010222110002120111220
423023120123222230
5144040020123340
65302542543340
7603265200435
oct131330335254
933873076456
1012002114220
1150a9976068
1223ab597b50
131193724c45
1481c00c48c
154a3a3bed0
hex2cb61baac

12002114220 has 48 divisors (see below), whose sum is σ = 33756656640. Its totient is φ = 3186207936.

The previous prime is 12002114197. The next prime is 12002114221. The reversal of 12002114220 is 2241120021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12002114220.

It is not an unprimeable number, because it can be changed into a prime (12002114221) 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, 435130 + ... + 461889.

It is an arithmetic number, because the mean of its divisors is an integer number (703263680).

Almost surely, 212002114220 is an apocalyptic number.

12002114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002114220 is an abundant number, since it is smaller than the sum of its proper divisors (21754542420).

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

12002114220 is a wasteful number, since it uses less digits than its factorization.

12002114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897254 (or 897252 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12002114220 its reverse (2241120021), we get a palindrome (14243234241).

The spelling of 12002114220 in words is "twelve billion, two million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 223 446 669 892 1115 1338 2230 2676 3345 4460 6690 13380 897019 1794038 2691057 3588076 4485095 5382114 8970190 10764228 13455285 17940380 26910570 53821140 200035237 400070474 600105711 800140948 1000176185 1200211422 2000352370 2400422844 3000528555 4000704740 6001057110 12002114220