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1201302121313 = 7430513986309
BaseRepresentation
bin10001011110110011001…
…011111010101101100001
311020211202210212201121202
4101132303023322231201
5124140231320340223
62315512013330545
7152535246360050
oct21366313725541
94224683781552
101201302121313
11423518803108
121749a1796a55
13893892b63a8
144220143c397
15213ae199428
hex117b32fab61

1201302121313 has 8 divisors (see below), whose sum is σ = 1372948944960. Its totient is φ = 1029663356400.

The previous prime is 1201302121223. The next prime is 1201302121321. The reversal of 1201302121313 is 3131212031021.

It is a happy number.

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

It is not a de Polignac number, because 1201302121313 - 28 = 1201302121057 is a prime.

It is a super-2 number, since 2×12013021213132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201302121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691798 + ... + 2294511.

It is an arithmetic number, because the mean of its divisors is an integer number (171618618120).

Almost surely, 21201302121313 is an apocalyptic number.

It is an amenable number.

1201302121313 is a deficient number, since it is larger than the sum of its proper divisors (171646823647).

1201302121313 is an equidigital number, since it uses as much as digits as its factorization.

1201302121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029367.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1201302121313 its reverse (3131212031021), we get a palindrome (4332514152334).

The spelling of 1201302121313 in words is "one trillion, two hundred one billion, three hundred two million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 7 43051 301357 3986309 27904163 171614588759 1201302121313