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1230223313012 = 221744414073749
BaseRepresentation
bin10001111001101111000…
…001100000100001110100
311100121102101012111012212
4101321233001200201310
5130123444132004022
62341053511032552
7154611036424151
oct21715701404164
94317371174185
101230223313012
11434809a96531
1217a51336b758
138c01800a485
14437864a3228
15220032263e2
hex11e6f060874

1230223313012 has 24 divisors (see below), whose sum is σ = 2280045285000. Its totient is φ = 578798115840.

The previous prime is 1230223313009. The next prime is 1230223313021. The reversal of 1230223313012 is 2103133220321.

It can be written as a sum of positive squares in 4 ways, for example, as 246647316496 + 983575996516 = 496636^2 + 991754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734887 + ... + 2338862.

It is an arithmetic number, because the mean of its divisors is an integer number (95001886875).

Almost surely, 21230223313012 is an apocalyptic number.

It is an amenable number.

1230223313012 is a deficient number, since it is larger than the sum of its proper divisors (1049821971988).

1230223313012 is a wasteful number, since it uses less digits than its factorization.

1230223313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078211 (or 4078209 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1230223313012 its reverse (2103133220321), we get a palindrome (3333356533333).

The spelling of 1230223313012 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 17 34 68 4441 8882 17764 75497 150994 301988 4073749 8147498 16294996 69253733 138507466 277014932 18091519309 36183038618 72366077236 307555828253 615111656506 1230223313012