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120202001212001 = 149806724840349
BaseRepresentation
bin11011010101001010110101…
…100101010110001001100001
3120202121012101010200211012212
4123111022311211112021201
5111223342144302241001
61103352011555531505
734214210434151402
oct3325126545261141
9522535333624185
10120202001212001
113533342302a625
1211593b52bb9b95
13520c000228a57
142197b44c439a9
15dd6ae362b7bb
hex6d52b5956261

120202001212001 has 4 divisors (see below), whose sum is σ = 121008726052500. Its totient is φ = 119395276371504.

The previous prime is 120202001211967. The next prime is 120202001212003. The reversal of 120202001212001 is 100212100202021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39116568696976 + 81085432515025 = 6254324^2 + 9004745^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202001212001 - 242 = 115803954700897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120202001212003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403362420026 + ... + 403362420323.

It is an arithmetic number, because the mean of its divisors is an integer number (30252181513125).

Almost surely, 2120202001212001 is an apocalyptic number.

It is an amenable number.

120202001212001 is a deficient number, since it is larger than the sum of its proper divisors (806724840499).

120202001212001 is an equidigital number, since it uses as much as digits as its factorization.

120202001212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806724840498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120202001212001 its reverse (100212100202021), we get a palindrome (220414101414022).

The spelling of 120202001212001 in words is "one hundred twenty trillion, two hundred two billion, one million, two hundred twelve thousand, one".

Divisors: 1 149 806724840349 120202001212001