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1202120201 = 173119711579
BaseRepresentation
bin100011110100110…
…1110011000001001
310002210000000220102
41013221232120021
54430220321301
6315141335145
741534565422
oct10751563011
93083000812
101202120201
11567624777
122967074b5
13162087539
14b5922649
1570808b6b
hex47a6e609

1202120201 has 16 divisors (see below), whose sum is σ = 1320675840. Its totient is φ = 1089258240.

The previous prime is 1202120197. The next prime is 1202120239. The reversal of 1202120201 is 1020212021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1202120201 - 22 = 1202120197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202120251) 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, 98030 + ... + 109608.

It is an arithmetic number, because the mean of its divisors is an integer number (82542240).

Almost surely, 21202120201 is an apocalyptic number.

It is an amenable number.

1202120201 is a deficient number, since it is larger than the sum of its proper divisors (118555639).

1202120201 is a wasteful number, since it uses less digits than its factorization.

1202120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11824.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202120201 is about 34671.6051113876. The cubic root of 1202120201 is about 1063.2840481104.

Adding to 1202120201 its reverse (1020212021), we get a palindrome (2222332222).

It can be divided in two parts, 120212020 and 1, that added together give a palindrome (120212021).

The spelling of 1202120201 in words is "one billion, two hundred two million, one hundred twenty thousand, two hundred one".

Divisors: 1 17 31 197 527 3349 6107 11579 103819 196843 358949 2281063 6102133 38778071 70712953 1202120201