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12223200320213 = 311999532079109
BaseRepresentation
bin1011000111011110111110…
…0000110101101011010101
31121021112012211212011112212
42301313233200311223111
53100231103240221323
641555132151323205
72401045204306031
oct261675740655325
947245184764485
1012223200320213
113992914a16a63
121454b31080505
136a8848437b8c
1430386b0151c1
15162e48073b78
hexb1def835ad5

12223200320213 has 16 divisors (see below), whose sum is σ = 12694214016000. Its totient is φ = 11757106247040.

The previous prime is 12223200320173. The next prime is 12223200320237. The reversal of 12223200320213 is 31202300232221.

It is not a de Polignac number, because 12223200320213 - 214 = 12223200303829 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 (12223200320713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839503 + ... + 6918611.

It is an arithmetic number, because the mean of its divisors is an integer number (793388376000).

Almost surely, 212223200320213 is an apocalyptic number.

It is an amenable number.

12223200320213 is a deficient number, since it is larger than the sum of its proper divisors (471013695787).

12223200320213 is a wasteful number, since it uses less digits than its factorization.

12223200320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080292.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12223200320213 its reverse (31202300232221), we get a palindrome (43425500552434).

The spelling of 12223200320213 in words is "twelve trillion, two hundred twenty-three billion, two hundred million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 31 199 953 6169 29543 189647 2079109 5879057 64452379 413742691 1981390877 12826023421 61423117187 394296784523 12223200320213