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20012130132122 = 231331968258997
BaseRepresentation
bin1001000110011011011111…
…11010000110000010011010
32121212010210202110001201102
410203031233322012002122
510110334320303211442
6110321240132551402
74133554145316362
oct443155772060232
977763722401642
1020012130132122
116416107820917
1222b2599a82562
13b2219c3ac1cb
144d28412719a2
1524a864c5e232
hex12336fe8609a

20012130132122 has 8 divisors (see below), whose sum is σ = 30114099976116. Its totient is φ = 9974096806752.

The previous prime is 20012130132079. The next prime is 20012130132139. The reversal of 20012130132122 is 22123103121002.

It can be written as a sum of positive squares in 2 ways, for example, as 18704924356561 + 1307205775561 = 4324919^2 + 1143331^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20012130132094 and 20012130132103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15984128873 + ... + 15984130124.

Almost surely, 220012130132122 is an apocalyptic number.

20012130132122 is a deficient number, since it is larger than the sum of its proper divisors (10101969843994).

20012130132122 is a wasteful number, since it uses less digits than its factorization.

20012130132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31968259312.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20012130132122 its reverse (22123103121002), we get a palindrome (42135233253124).

The spelling of 20012130132122 in words is "twenty trillion, twelve billion, one hundred thirty million, one hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 313 626 31968258997 63936517994 10006065066061 20012130132122