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12131103120103 = 112234945415051
BaseRepresentation
bin1011000010000111111000…
…0101111001101011100111
31120221201111102201122201101
42300201332011321223213
53042223444344320403
641444541332540531
72361305021106322
oct260417605715347
946851442648641
1012131103120103
1139578544aa440
12143b109a81747
1369cc5bc982b6
142dd2117997b9
15160857a3471d
hexb087e179ae7

12131103120103 has 8 divisors (see below), whose sum is σ = 13293275659776. Its totient is φ = 10978821411000.

The previous prime is 12131103120083. The next prime is 12131103120107. The reversal of 12131103120103 is 30102130113121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12131103120103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131103120107) 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, 2472705073 + ... + 2472709978.

It is an arithmetic number, because the mean of its divisors is an integer number (1661659457472).

Almost surely, 212131103120103 is an apocalyptic number.

12131103120103 is a deficient number, since it is larger than the sum of its proper divisors (1162172539673).

12131103120103 is a wasteful number, since it uses less digits than its factorization.

12131103120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945415285.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12131103120103 its reverse (30102130113121), we get a palindrome (42233233233224).

The spelling of 12131103120103 in words is "twelve trillion, one hundred thirty-one billion, one hundred three million, one hundred twenty thousand, one hundred three".

Divisors: 1 11 223 2453 4945415051 54399565561 1102827556373 12131103120103