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13212312101232 = 243299491603521
BaseRepresentation
bin1100000001000011101100…
…1010110110000101110000
31201210002021202011202112020
43000100323022312011300
53212432303344214412
644033352525431440
72532362260602306
oct300207312660560
951702252152466
1013212312101232
114234345811872
12159477470b580
1374abb99b5c9a
1433969d368276
1517da3897b18c
hexc043b2b6170

13212312101232 has 40 divisors (see below), whose sum is σ = 35308765101840. Its totient is φ = 4252238376960.

The previous prime is 13212312101179. The next prime is 13212312101243. The reversal of 13212312101232 is 23210121321231.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4745800369 + ... + 4745803152.

It is an arithmetic number, because the mean of its divisors is an integer number (882719127546).

Almost surely, 213212312101232 is an apocalyptic number.

13212312101232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13212312101232 is an abundant number, since it is smaller than the sum of its proper divisors (22096453000608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13212312101232 is a wasteful number, since it uses less digits than its factorization.

13212312101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491603561 (or 9491603555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13212312101232 its reverse (23210121321231), we get a palindrome (36422433422463).

The spelling of 13212312101232 in words is "thirteen trillion, two hundred twelve billion, three hundred twelve million, one hundred one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 9491603521 18983207042 28474810563 37966414084 56949621126 75932828168 113899242252 151865656336 227798484504 275256502109 455596969008 550513004218 825769506327 1101026008436 1651539012654 2202052016872 3303078025308 4404104033744 6606156050616 13212312101232