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123013203142012 = 22127242151974689
BaseRepresentation
bin11011111110000100111110…
…010001101010010101111100
3121010112221120122002102022021
4123332010332101222111330
5112110422020001021022
61113343252501325524
734624260564250531
oct3376047621522574
9533487518072267
10123013203142012
11362176742539a7
1211968948a068a4
135384131445a31
142253c29690d88
15e34cc80767c7
hex6fe13e46a57c

123013203142012 has 12 divisors (see below), whose sum is σ = 216968169322240. Its totient is φ = 61022297621376.

The previous prime is 123013203142001. The next prime is 123013203142013. The reversal of 123013203142012 is 210241302310321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013203142013) 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, 121075986837 + ... + 121075987852.

Almost surely, 2123013203142012 is an apocalyptic number.

It is an amenable number.

123013203142012 is a deficient number, since it is larger than the sum of its proper divisors (93954966180228).

123013203142012 is a wasteful number, since it uses less digits than its factorization.

123013203142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242151974820 (or 242151974818 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123013203142012 its reverse (210241302310321), we get a palindrome (333254505452333).

The spelling of 123013203142012 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred forty-two thousand, twelve".

Divisors: 1 2 4 127 254 508 242151974689 484303949378 968607898756 30753300785503 61506601571006 123013203142012