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12202213123213 = 191879341789113
BaseRepresentation
bin1011000110010000110010…
…0101000010010010001101
31121012112001012202002121021
42301210030211002102031
53044410113024420323
641541341435034141
72366403134133541
oct261441445022215
947175035662537
1012202213123213
113984a25219253
121450a5459b951
136a6882386709
14302839995a21
1516261a80505d
hexb190c94248d

12202213123213 has 8 divisors (see below), whose sum is σ = 12851270686400. Its totient is φ = 11553839142048.

The previous prime is 12202213123207. The next prime is 12202213123237. The reversal of 12202213123213 is 31232131220221.

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 12202213123213 - 237 = 12064774169741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202213123283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170858856 + ... + 170930257.

It is an arithmetic number, because the mean of its divisors is an integer number (1606408835800).

Almost surely, 212202213123213 is an apocalyptic number.

It is an amenable number.

12202213123213 is a deficient number, since it is larger than the sum of its proper divisors (649057563187).

12202213123213 is a wasteful number, since it uses less digits than its factorization.

12202213123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341791011.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12202213123213 its reverse (31232131220221), we get a palindrome (43434344343434).

It can be divided in two parts, 1220221 and 3123213, that added together give a palindrome (4343434).

The spelling of 12202213123213 in words is "twelve trillion, two hundred two billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 19 1879 35701 341789113 6493993147 642221743327 12202213123213