Search a number
-
+
12132113201213 = 64211889442953
BaseRepresentation
bin1011000010001011101001…
…0011000011100000111101
31120221211002211101002111212
42300202322103003200331
53042233031434414323
641445225454254205
72361342034465235
oct260427223034075
946854084332455
1012132113201213
113958222689315
12143b3501b7365
136a0090324c25
142dd2a99accc5
151608b6557b78
hexb08ba4c383d

12132113201213 has 4 divisors (see below), whose sum is σ = 12134002650588. Its totient is φ = 12130223751840.

The previous prime is 12132113201177. The next prime is 12132113201239. The reversal of 12132113201213 is 31210231123121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3355132216804 + 8776980984409 = 1831702^2 + 2962597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132113201213 - 220 = 12132112152637 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 (12132113207213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944715056 + ... + 944727897.

It is an arithmetic number, because the mean of its divisors is an integer number (3033500662647).

Almost surely, 212132113201213 is an apocalyptic number.

It is an amenable number.

12132113201213 is a deficient number, since it is larger than the sum of its proper divisors (1889449375).

12132113201213 is an equidigital number, since it uses as much as digits as its factorization.

12132113201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889449374.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12132113201213 its reverse (31210231123121), we get a palindrome (43342344324334).

The spelling of 12132113201213 in words is "twelve trillion, one hundred thirty-two billion, one hundred thirteen million, two hundred one thousand, two hundred thirteen".

Divisors: 1 6421 1889442953 12132113201213