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1222120120002 = 236715719363693
BaseRepresentation
bin10001110010001100000…
…010010001111011000010
311022211111122121122010020
4101302030002101323002
5130010400222320002
62333233443314310
7154203163422555
oct21621402217302
94284448548106
101222120120002
11431330a46701
12178a3167b996
138b3262a6402
144321821669c
1521bcbb452bc
hex11c8c091ec2

1222120120002 has 32 divisors (see below), whose sum is σ = 2496522340032. Its totient is φ = 398737145664.

The previous prime is 1222120119971. The next prime is 1222120120003. The reversal of 1222120120002 is 2000210212221.

It is not an unprimeable number, because it can be changed into a prime (1222120120003) 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, 9618733 + ... + 9744960.

It is an arithmetic number, because the mean of its divisors is an integer number (78016323126).

Almost surely, 21222120120002 is an apocalyptic number.

1222120120002 is an abundant number, since it is smaller than the sum of its proper divisors (1274402220030).

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

1222120120002 is a wasteful number, since it uses less digits than its factorization.

1222120120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363922.

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

Adding to 1222120120002 its reverse (2000210212221), we get a palindrome (3222330332223).

The spelling of 1222120120002 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, two".

Divisors: 1 2 3 6 67 134 157 201 314 402 471 942 10519 21038 31557 63114 19363693 38727386 58091079 116182158 1297367431 2594734862 3040099801 3892102293 6080199602 7784204586 9120299403 18240598806 203686686667 407373373334 611060060001 1222120120002