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120121221201 = 3101141395887
BaseRepresentation
bin110111111011111001…
…0000110000001010001
3102111001110021021201120
41233313302012001101
53432002013034301
6131103302352453
711451500350662
oct1576762060121
9374043237646
10120121221201
1146a41330433
121b34442b729
13b43434b0a7
145b5749d369
1531d094ce36
hex1bf7c86051

120121221201 has 8 divisors (see below), whose sum is σ = 160163616384. Its totient is φ = 80079820080.

The previous prime is 120121221139. The next prime is 120121221211. The reversal of 120121221201 is 102122121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120121221201 - 26 = 120121221137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105480 + ... + 501366.

It is an arithmetic number, because the mean of its divisors is an integer number (20020452048).

Almost surely, 2120121221201 is an apocalyptic number.

It is an amenable number.

120121221201 is a deficient number, since it is larger than the sum of its proper divisors (40042395183).

120121221201 is a wasteful number, since it uses less digits than its factorization.

120121221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497031.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120121221201 its reverse (102122121021), we get a palindrome (222243342222).

The spelling of 120121221201 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3 101141 303423 395887 1187661 40040407067 120121221201