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120212112101 = 357133663431
BaseRepresentation
bin110111111110100110…
…0110100001011100101
3102111021210022000121012
41233331030310023211
53432143300041401
6131120310432005
711453653044014
oct1577514641345
9374253260535
10120212112101
1146a88670084
121b36a962605
13b44a1226a3
145b6559ca7b
1531d89038bb
hex1bfd3342e5

120212112101 has 4 divisors (see below), whose sum is σ = 120245779104. Its totient is φ = 120178445100.

The previous prime is 120212112089. The next prime is 120212112157. The reversal of 120212112101 is 101211212021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120212112101 - 218 = 120211849957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212112401) 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, 16828145 + ... + 16835286.

It is an arithmetic number, because the mean of its divisors is an integer number (30061444776).

Almost surely, 2120212112101 is an apocalyptic number.

It is an amenable number.

120212112101 is a deficient number, since it is larger than the sum of its proper divisors (33667003).

120212112101 is an equidigital number, since it uses as much as digits as its factorization.

120212112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667002.

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

Adding to 120212112101 its reverse (101211212021), we get a palindrome (221423324122).

The spelling of 120212112101 in words is "one hundred twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred one".

Divisors: 1 3571 33663431 120212112101