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220212012112120 = 2357829948699001
BaseRepresentation
bin110010000100100000011010…
…110000011101100011111000
31001212201001200202021202210001
4302010200122300131203320
5212330423200100041440
62100204000215002344
764245535642504450
oct6204403260354370
91055631622252701
10220212012112120
1164191431a16176
12208466913693b4
1395b4b993a7622
143c54465414d60
151a6d346c0db9a
hexc8481ac1d8f8

220212012112120 has 64 divisors (see below), whose sum is σ = 566942523595200. Its totient is φ = 75410186112000.

The previous prime is 220212012112093. The next prime is 220212012112181. The reversal of 220212012112120 is 21211210212022.

It is a congruent number.

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, 474117381 + ... + 474581620.

It is an arithmetic number, because the mean of its divisors is an integer number (8858476931175).

Almost surely, 2220212012112120 is an apocalyptic number.

220212012112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212012112120 is an abundant number, since it is smaller than the sum of its proper divisors (346730511483080).

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

220212012112120 is a wasteful number, since it uses less digits than its factorization.

220212012112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948699848 (or 948699844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220212012112120 its reverse (21211210212022), we get a palindrome (241423222324142).

The spelling of 220212012112120 in words is "two hundred twenty trillion, two hundred twelve billion, twelve million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 829 1658 3316 4145 5803 6632 8290 11606 16580 23212 29015 33160 46424 58030 116060 232120 948699001 1897398002 3794796004 4743495005 6640893007 7589592008 9486990010 13281786014 18973980020 26563572028 33204465035 37947960040 53127144056 66408930070 132817860140 265635720280 786471471829 1572942943658 3145885887316 3932357359145 5505300302803 6291771774632 7864714718290 11010600605606 15729429436580 22021201211212 27526501514015 31458858873160 44042402422424 55053003028030 110106006056060 220212012112120