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1222321234020 = 2235171198354151
BaseRepresentation
bin10001110010011000000…
…001011110000001100100
311022212000200001021200120
4101302120001132001210
5130011303213442040
62333305430041540
7154211155030035
oct21623001360144
94285020037616
101222321234020
1143142451a637
12178a88aa92b0
138b358b607a3
1443236c08a8c
1521bde61e7d0
hex11c9805e064

1222321234020 has 48 divisors (see below), whose sum is σ = 3623822955648. Its totient is φ = 306778662400.

The previous prime is 1222321233983. The next prime is 1222321234021. The reversal of 1222321234020 is 204321232221.

It is not an unprimeable number, because it can be changed into a prime (1222321234021) 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, 599176056 + ... + 599178095.

It is an arithmetic number, because the mean of its divisors is an integer number (75496311576).

Almost surely, 21222321234020 is an apocalyptic number.

1222321234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222321234020 is an abundant number, since it is smaller than the sum of its proper divisors (2401501721628).

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

1222321234020 is a wasteful number, since it uses less digits than its factorization.

1222321234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198354180 (or 1198354178 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1222321234020 its reverse (204321232221), we get a palindrome (1426642466241).

The spelling of 1222321234020 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-one million, two hundred thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1198354151 2396708302 3595062453 4793416604 5991770755 7190124906 11983541510 14380249812 17975312265 20372020567 23967083020 35950624530 40744041134 61116061701 71901249060 81488082268 101860102835 122232123402 203720205670 244464246804 305580308505 407440411340 611160617010 1222321234020