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1213230214433 = 17936718468181
BaseRepresentation
bin10001101001111010001…
…001111110110100100001
311021222120002200122021102
4101221322021332310201
5124334143413330213
62325203354004145
7153436655445536
oct21517211766441
94258502618242
101213230214433
11428589911006
12177170416655
138a53a592463
1442a1369cd8d
152185b464158
hex11a7a27ed21

1213230214433 has 8 divisors (see below), whose sum is σ = 1223332375680. Its totient is φ = 1203164990640.

The previous prime is 1213230214423. The next prime is 1213230214439. The reversal of 1213230214433 is 3344120323121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213230214433 - 214 = 1213230198049 is a prime.

It is a super-2 number, since 2×12132302144332 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213230214396 and 1213230214405.

It is not an unprimeable number, because it can be changed into a prime (1213230214439) 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, 9168398 + ... + 9299783.

It is an arithmetic number, because the mean of its divisors is an integer number (152916546960).

Almost surely, 21213230214433 is an apocalyptic number.

It is an amenable number.

1213230214433 is a deficient number, since it is larger than the sum of its proper divisors (10102161247).

1213230214433 is a wasteful number, since it uses less digits than its factorization.

1213230214433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468727.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1213230214433 its reverse (3344120323121), we get a palindrome (4557350537554).

The spelling of 1213230214433 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, two hundred fourteen thousand, four hundred thirty-three".

Divisors: 1 179 367 65693 18468181 3305804399 6777822427 1213230214433