Search a number
-
+
12011313231122 = 221563278516747
BaseRepresentation
bin1010111011001001101000…
…0011101111010100010010
31120112021022001220210100112
42232302122003233110102
53033243132141343442
641313530543521322
72346534352622432
oct256623203572422
946467261823315
1012011313231122
113910a73203897
12141ba585b9242
1369187b49849a
142d74ca3082c2
1515c696234082
hexaec9a0ef512

12011313231122 has 8 divisors (see below), whose sum is σ = 18017805461616. Its totient is φ = 6005378077252.

The previous prime is 12011313231121. The next prime is 12011313231139. The reversal of 12011313231122 is 22113231311021.

It is a happy number.

12011313231122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120113132311222 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011313231121) 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, 139215248 + ... + 139301499.

It is an arithmetic number, because the mean of its divisors is an integer number (2252225682702).

Almost surely, 212011313231122 is an apocalyptic number.

12011313231122 is a deficient number, since it is larger than the sum of its proper divisors (6006492230494).

12011313231122 is a wasteful number, since it uses less digits than its factorization.

12011313231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278538312.

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

Adding to 12011313231122 its reverse (22113231311021), we get a palindrome (34124544542143).

The spelling of 12011313231122 in words is "twelve trillion, eleven billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 21563 43126 278516747 557033494 6005656615561 12011313231122