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201212131331033 = 1173917171402349
BaseRepresentation
bin101101110000000001011001…
…100111001100101111011001
3222101102200200101120122012122
4231300001121213030233121
5202333124421110043113
61551535324350351025
760245045121530564
oct5560013147145731
9871380611518178
10201212131331033
1159126649601a59
121a6983137bb475
1388372b7ca1974
143798a0d3954db
15183dec8cdd408
hexb700599ccbd9

201212131331033 has 4 divisors (see below), whose sum is σ = 201212303907300. Its totient is φ = 201211958754768.

The previous prime is 201212131331021. The next prime is 201212131331041. The reversal of 201212131331033 is 330133131212102.

201212131331033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140896591380169 + 60315539950864 = 11869987^2 + 7766308^2 .

It is a cyclic number.

It is not a de Polignac number, because 201212131331033 - 210 = 201212131330009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201212131330993 and 201212131331011.

It is not an unprimeable number, because it can be changed into a prime (201212131331053) 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, 84527258 + ... + 86875091.

It is an arithmetic number, because the mean of its divisors is an integer number (50303075976825).

Almost surely, 2201212131331033 is an apocalyptic number.

It is an amenable number.

201212131331033 is a deficient number, since it is larger than the sum of its proper divisors (172576267).

201212131331033 is a wasteful number, since it uses less digits than its factorization.

201212131331033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172576266.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 201212131331033 its reverse (330133131212102), we get a palindrome (531345262543135).

The spelling of 201212131331033 in words is "two hundred one trillion, two hundred twelve billion, one hundred thirty-one million, three hundred thirty-one thousand, thirty-three".

Divisors: 1 1173917 171402349 201212131331033