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12023124101021 = 115413956951059
BaseRepresentation
bin1010111011110101101000…
…0010101000011110011101
31120120101210012011010222102
42232331122002220132131
53033441324232213041
641323202535454445
72350433136433445
oct256753202503635
946511705133872
1012023124101021
113915a841271a0
1214221b3b27425
13692a113b04b7
142d7ccab73125
1515cb3809609b
hexaef5a0a879d

12023124101021 has 16 divisors (see below), whose sum is σ = 13140969076800. Its totient is φ = 10909419897600.

The previous prime is 12023124100997. The next prime is 12023124101033. The reversal of 12023124101021 is 12010142132021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12023124101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023124100984 and 12023124101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023124101071) 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, 235449590 + ... + 235500648.

It is an arithmetic number, because the mean of its divisors is an integer number (821310567300).

Almost surely, 212023124101021 is an apocalyptic number.

12023124101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12023124101021 is a deficient number, since it is larger than the sum of its proper divisors (1117844975779).

12023124101021 is a wasteful number, since it uses less digits than its factorization.

12023124101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91180.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12023124101021 its reverse (12010142132021), we get a palindrome (24033266233042).

The spelling of 12023124101021 in words is "twelve trillion, twenty-three billion, one hundred twenty-four million, one hundred one thousand, twenty-one".

Divisors: 1 11 541 5951 39569 51059 435259 561649 21406829 27622919 235475119 303852109 2020353571 22223889281 1093011281911 12023124101021