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1202132221201 = 8913507103609
BaseRepresentation
bin10001011111100100101…
…010011111110100010001
311020220220122212011121001
4101133210222133310101
5124143431322034301
62320130225302001
7152564646166252
oct21374452376421
94226818764531
101202132221201
1142390433247a
12174b93794901
138948c277862
144227d7a0b29
152140beb9c01
hex117e4a9fd11

1202132221201 has 4 divisors (see below), whose sum is σ = 1215639324900. Its totient is φ = 1188625117504.

The previous prime is 1202132221189. The next prime is 1202132221249. The reversal of 1202132221201 is 1021222312021.

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 353566998225 + 848565222976 = 594615^2 + 921176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202132221201 - 211 = 1202132219153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202132221001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6753551716 + ... + 6753551893.

It is an arithmetic number, because the mean of its divisors is an integer number (303909831225).

Almost surely, 21202132221201 is an apocalyptic number.

It is an amenable number.

1202132221201 is a deficient number, since it is larger than the sum of its proper divisors (13507103699).

1202132221201 is an equidigital number, since it uses as much as digits as its factorization.

1202132221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13507103698.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202132221201 its reverse (1021222312021), we get a palindrome (2223354533222).

The spelling of 1202132221201 in words is "one trillion, two hundred two billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 89 13507103609 1202132221201