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1213452223233 = 3748754024853
BaseRepresentation
bin10001101010000111011…
…000111000001100000001
311022000010120102212002120
4101222013120320030001
5124340122232120413
62325241404234453
7153445322466525
oct21520730701401
94260116385076
101213452223233
11428693166558
1217721283ba29
138a574584303
1442a34d6dd85
1521870bb9723
hex11a87638301

1213452223233 has 8 divisors (see below), whose sum is σ = 1618152427008. Its totient is φ = 808860084144.

The previous prime is 1213452223229. The next prime is 1213452223237. The reversal of 1213452223233 is 3323222543121.

It is an interprime number because it is at equal distance from previous prime (1213452223229) and next prime (1213452223237).

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

It is not a de Polignac number, because 1213452223233 - 22 = 1213452223229 is a prime.

It is a super-2 number, since 2×12134522232332 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213452223194 and 1213452223203.

It is not an unprimeable number, because it can be changed into a prime (1213452223237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26989966 + ... + 27034887.

It is an arithmetic number, because the mean of its divisors is an integer number (202269053376).

Almost surely, 21213452223233 is an apocalyptic number.

It is an amenable number.

1213452223233 is a deficient number, since it is larger than the sum of its proper divisors (404700203775).

1213452223233 is an equidigital number, since it uses as much as digits as its factorization.

1213452223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54032343.

The product of its digits is 51840, while the sum is 33.

Adding to 1213452223233 its reverse (3323222543121), we get a palindrome (4536674766354).

The spelling of 1213452223233 in words is "one trillion, two hundred thirteen billion, four hundred fifty-two million, two hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 3 7487 22461 54024853 162074559 404484074411 1213452223233