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120220002001 = 11471423163411
BaseRepresentation
bin110111111110110101…
…0111010011011010001
3102111022100010212111201
41233331222322123101
53432202310031001
6131121151511201
711454110104441
oct1577552723321
9374270125451
10120220002001
1146a92069960
121b371528501
13b44b955978
145b66654121
1531d9461501
hex1bfdaba6d1

120220002001 has 16 divisors (see below), whose sum is σ = 134034444288. Its totient is φ = 106889749200.

The previous prime is 120220001977. The next prime is 120220002037. The reversal of 120220002001 is 100200022021.

It is a cyclic number.

It is not a de Polignac number, because 120220002001 - 231 = 118072518353 is a prime.

It is a super-2 number, since 2×1202200020012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220002041) 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, 653986 + ... + 817396.

It is an arithmetic number, because the mean of its divisors is an integer number (8377152768).

Almost surely, 2120220002001 is an apocalyptic number.

120220002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120220002001 is a deficient number, since it is larger than the sum of its proper divisors (13814442287).

120220002001 is a wasteful number, since it uses less digits than its factorization.

120220002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164892.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120220002001 its reverse (100200022021), we get a palindrome (220420024022).

The spelling of 120220002001 in words is "one hundred twenty billion, two hundred twenty million, two thousand, one".

Divisors: 1 11 47 517 1423 15653 66881 163411 735691 1797521 7680317 84483487 232533853 2557872383 10929091091 120220002001