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1222120202000 = 2453715185451
BaseRepresentation
bin10001110010001100000…
…010100101111100010000
311022211111122202210121012
4101302030002211330100
5130010400232431000
62333233445150052
7154203164213615
oct21621402457420
94284448683535
101222120202000
11431330aa2275
12178a316bb328
138b326304829
144321823850c
1521bcbb5e735
hex11c8c0a5f10

1222120202000 has 80 divisors (see below), whose sum is σ = 2955534476544. Its totient is φ = 488774000000.

The previous prime is 1222120201993. The next prime is 1222120202027. The reversal of 1222120202000 is 2020212221.

It is a tau number, because it is divible by the number of its divisors (80).

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, 14259275 + ... + 14344725.

Almost surely, 21222120202000 is an apocalyptic number.

1222120202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222120202000 is an abundant number, since it is smaller than the sum of its proper divisors (1733414274544).

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

1222120202000 is an equidigital number, since it uses as much as digits as its factorization.

1222120202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92625 (or 92609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222120202000 its reverse (2020212221), we get a palindrome (1224140414221).

The spelling of 1222120202000 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 7151 14302 28604 35755 57208 71510 85451 114416 143020 170902 178775 286040 341804 357550 427255 572080 683608 715100 854510 893875 1367216 1430200 1709020 1787750 2136275 2860400 3418040 3575500 4272550 6836080 7151000 8545100 10681375 14302000 17090200 21362750 34180400 42725500 85451000 170902000 611060101 1222120202 2444240404 3055300505 4888480808 6110601010 9776961616 12221202020 15276502525 24442404040 30553005050 48884808080 61106010100 76382512625 122212020200 152765025250 244424040400 305530050500 611060101000 1222120202000