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12002200123213 = 191019619916333
BaseRepresentation
bin1010111010100111101011…
…0111111111011101001101
31120111101202221222221110101
42232221322313333131031
53033121001212420323
641305422402211101
72346062464523626
oct256517267773515
946441687887411
1012002200123213
113908117088a53
12141a134653a91
13690a58465341
142d6ca3c8ca4d
1515c311163dad
hexaea7adff74d

12002200123213 has 8 divisors (see below), whose sum is σ = 12646293213600. Its totient is φ = 11359346867568.

The previous prime is 12002200123183. The next prime is 12002200123231. The reversal of 12002200123213 is 31232100220021.

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 12002200123213 - 225 = 12002166568781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002200123283) 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, 309938806 + ... + 309977527.

It is an arithmetic number, because the mean of its divisors is an integer number (1580786651700).

Almost surely, 212002200123213 is an apocalyptic number.

It is an amenable number.

12002200123213 is a deficient number, since it is larger than the sum of its proper divisors (644093090387).

12002200123213 is a wasteful number, since it uses less digits than its factorization.

12002200123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619917371.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12002200123213 its reverse (31232100220021), we get a palindrome (43234300343234).

The spelling of 12002200123213 in words is "twelve trillion, two billion, two hundred million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 19 1019 19361 619916333 11778410327 631694743327 12002200123213