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130121131201 = 235657440487
BaseRepresentation
bin111100100101111010…
…0101110010011000001
3110102212100212100101121
41321023310232103001
54112442002144301
6135435443232241
712254344236355
oct1711364562301
9412770770347
10130121131201
1150202a93866
1221275378681
13c3690065b9
1464255db465
1535b87de3a1
hex1e4bd2e4c1

130121131201 has 4 divisors (see below), whose sum is σ = 135778571712. Its totient is φ = 124463690692.

The previous prime is 130121131181. The next prime is 130121131237. The reversal of 130121131201 is 102131121031.

It is a happy number.

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 130121131201 - 231 = 127973647553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130121131291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828720221 + ... + 2828720266.

It is an arithmetic number, because the mean of its divisors is an integer number (33944642928).

Almost surely, 2130121131201 is an apocalyptic number.

It is an amenable number.

130121131201 is a deficient number, since it is larger than the sum of its proper divisors (5657440511).

130121131201 is an equidigital number, since it uses as much as digits as its factorization.

130121131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657440510.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 130121131201 its reverse (102131121031), we get a palindrome (232252252232).

The spelling of 130121131201 in words is "one hundred thirty billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 23 5657440487 130121131201