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12002212020 = 2235296897823
BaseRepresentation
bin10110010110110001…
…10011100010110100
31010222110021112200010
423023120303202310
5144040031241040
65302545020220
7603266055531
oct131330634264
933873245603
1012002212020
1150a9a32597
1223ab624670
13119375a606
1481c035d88
154a3a5ae80
hex2cb6338b4

12002212020 has 48 divisors (see below), whose sum is σ = 34765032960. Its totient is φ = 3090224256.

The previous prime is 12002212003. The next prime is 12002212037. The reversal of 12002212020 is 2021220021.

12002212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12002212003) and next prime (12002212037).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12002211987 and 12002212005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447172 + ... + 3450651.

It is an arithmetic number, because the mean of its divisors is an integer number (724271520).

Almost surely, 212002212020 is an apocalyptic number.

12002212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002212020 is an abundant number, since it is smaller than the sum of its proper divisors (22762820940).

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

12002212020 is a wasteful number, since it uses less digits than its factorization.

12002212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897864 (or 6897862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12002212020 its reverse (2021220021), we get a palindrome (14023432041).

The spelling of 12002212020 in words is "twelve billion, two million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 6897823 13795646 20693469 27591292 34489115 41386938 68978230 82773876 103467345 137956460 200036867 206934690 400073734 413869380 600110601 800147468 1000184335 1200221202 2000368670 2400442404 3000553005 4000737340 6001106010 12002212020