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12230031111101 = 257401607319541
BaseRepresentation
bin1011000111111000011010…
…1010001111001110111101
31121022011211220012022001222
42301332012222033032331
53100334100431023401
642002222043043125
72401406400132206
oct261760652171675
947264756168058
1012230031111101
1139957aa7a9291
1214563188104a5
136a939667778b
14303d182c65ad
151631e7ab6c1b
hexb1f86a8f3bd

12230031111101 has 16 divisors (see below), whose sum is σ = 12310892969328. Its totient is φ = 12149440512000.

The previous prime is 12230031111091. The next prime is 12230031111119. The reversal of 12230031111101 is 10111113003221.

It can be written as a sum of positive squares in 8 ways, for example, as 6041031538201 + 6188999572900 = 2457851^2 + 2487770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12230031111101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12230031111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230031111121) 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, 625855391 + ... + 625874931.

It is an arithmetic number, because the mean of its divisors is an integer number (769430810583).

Almost surely, 212230031111101 is an apocalyptic number.

It is an amenable number.

12230031111101 is a deficient number, since it is larger than the sum of its proper divisors (80861858227).

12230031111101 is a wasteful number, since it uses less digits than its factorization.

12230031111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26272.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12230031111101 its reverse (10111113003221), we get a palindrome (22341144114322).

The spelling of 12230031111101 in words is "twelve trillion, two hundred thirty billion, thirty-one million, one hundred eleven thousand, one hundred one".

Divisors: 1 257 401 6073 19541 103057 1560761 2435273 5022037 7835941 118672493 625865161 2013836837 30498830701 47587669693 12230031111101