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120111212201 = 412929541761
BaseRepresentation
bin110111111011100101…
…1111010011010101001
3102111000202102202221212
41233313023322122221
53431441432242301
6131102304042505
711451316313141
oct1576713723251
9374022382855
10120111212201
1146a36714532
121b341003435
13b4322553c6
145b56015921
1531ceb224bb
hex1bf72fa6a9

120111212201 has 4 divisors (see below), whose sum is σ = 123040754004. Its totient is φ = 117181670400.

The previous prime is 120111212197. The next prime is 120111212209. The reversal of 120111212201 is 102212111021.

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 7736082025 + 112375130176 = 87955^2 + 335224^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111212201 - 22 = 120111212197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111212209) 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, 1464770840 + ... + 1464770921.

It is an arithmetic number, because the mean of its divisors is an integer number (30760188501).

Almost surely, 2120111212201 is an apocalyptic number.

It is an amenable number.

120111212201 is a deficient number, since it is larger than the sum of its proper divisors (2929541803).

120111212201 is an equidigital number, since it uses as much as digits as its factorization.

120111212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929541802.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120111212201 its reverse (102212111021), we get a palindrome (222323323222).

The spelling of 120111212201 in words is "one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred one".

Divisors: 1 41 2929541761 120111212201