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12211231300121 = 72297617736307
BaseRepresentation
bin1011000110110010011000…
…0110101001101000011001
31121020101022201000221122102
42301230212012221220121
53100032100203100441
641545432345533145
72400142460311520
oct261544606515031
947211281027572
1012211231300121
1139888327a5017
1214527507a41b5
136a768b82c379
1430305357d4b7
151629973c269b
hexb1b261a9a19

12211231300121 has 8 divisors (see below), whose sum is σ = 14016634806720. Its totient is φ = 10421063266608.

The previous prime is 12211231300091. The next prime is 12211231300181. The reversal of 12211231300121 is 12100313211221.

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 12211231300121 - 226 = 12211164191257 is a prime.

It is a super-2 number, since 2×122112313001212 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211231300093 and 12211231300102.

It is not an unprimeable number, because it can be changed into a prime (12211231300181) 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, 3808866551 + ... + 3808869756.

It is an arithmetic number, because the mean of its divisors is an integer number (1752079350840).

Almost surely, 212211231300121 is an apocalyptic number.

It is an amenable number.

12211231300121 is a deficient number, since it is larger than the sum of its proper divisors (1805403506599).

12211231300121 is an equidigital number, since it uses as much as digits as its factorization.

12211231300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617736543.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12211231300121 its reverse (12100313211221), we get a palindrome (24311544511342).

The spelling of 12211231300121 in words is "twelve trillion, two hundred eleven billion, two hundred thirty-one million, three hundred thousand, one hundred twenty-one".

Divisors: 1 7 229 1603 7617736307 53324154149 1744461614303 12211231300121