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12112313102021 = 114143624571397
BaseRepresentation
bin1011000001000001111000…
…0111101010111011000101
31120212220222220222211121202
42300100132013222323011
53041422004123231041
641432153025352245
72360041260433436
oct260203607527305
946786886884552
1012112313102021
11394a891a84780
121437545198685
1369b25619b3c2
142dc34c08148d
15160108126a9b
hexb041e1eaec5

12112313102021 has 16 divisors (see below), whose sum is σ = 13850495322048. Its totient is φ = 10492799452800.

The previous prime is 12112313101991. The next prime is 12112313102023. The reversal of 12112313102021 is 12020131321121.

It is a cyclic number.

It is not a de Polignac number, because 12112313102021 - 222 = 12112308907717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112313101984 and 12112313102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112313102023) 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, 312266306 + ... + 312305091.

It is an arithmetic number, because the mean of its divisors is an integer number (865655957628).

Almost surely, 212112313102021 is an apocalyptic number.

12112313102021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112313102021 is a deficient number, since it is larger than the sum of its proper divisors (1738182220027).

12112313102021 is a wasteful number, since it uses less digits than its factorization.

12112313102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624571492.

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

Adding to 12112313102021 its reverse (12020131321121), we get a palindrome (24132444423142).

The spelling of 12112313102021 in words is "twelve trillion, one hundred twelve billion, three hundred thirteen million, one hundred two thousand, twenty-one".

Divisors: 1 11 41 43 451 473 1763 19393 624571397 6870285367 25607427277 26856570071 281681700047 295422270781 1101119372911 12112313102021