Search a number
-
+
12012537280237 = 131955619874409
BaseRepresentation
bin1010111011001110001100…
…0001000111011011101101
31120112101110101011221001221
42232303203001013123231
53033303134020431422
641314252231303341
72346606605102644
oct256634301073355
946471411157057
1012012537280237
11391154114602a
12142013a51ab51
13691a14c600c0
142d75a4ad835b
1515c7189203c7
hexaece30476ed

12012537280237 has 16 divisors (see below), whose sum is σ = 13617711576000. Its totient is φ = 10504690015104.

The previous prime is 12012537280231. The next prime is 12012537280283. The reversal of 12012537280237 is 73208273521021.

It is a cyclic number.

It is not a de Polignac number, because 12012537280237 - 231 = 12010389796589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012537280193 and 12012537280202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012537280231) 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, 13300689 + ... + 14175097.

It is an arithmetic number, because the mean of its divisors is an integer number (851106973500).

Almost surely, 212012537280237 is an apocalyptic number.

It is an amenable number.

12012537280237 is a deficient number, since it is larger than the sum of its proper divisors (1605174295763).

12012537280237 is a wasteful number, since it uses less digits than its factorization.

12012537280237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930060.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 12012537280237 in words is "twelve trillion, twelve billion, five hundred thirty-seven million, two hundred eighty thousand, two hundred thirty-seven".

Divisors: 1 13 19 247 55619 723047 874409 1056761 11367317 13737893 16613771 215979023 48633754171 632238804223 924041329249 12012537280237