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121314021132 = 22329348603509
BaseRepresentation
bin111000011111011100…
…0010000111100001100
3102121010120201210121210
41300332320100330030
53441422342134012
6131421512254420
711523163110543
oct1607670207414
9377116653553
10121314021132
11474a36696a7
121b6179a1410
13b5944c1275
145c2ba7715a
15325051523c
hex1c3ee10f0c

121314021132 has 24 divisors (see below), whose sum is σ = 292826948400. Its totient is φ = 39043592896.

The previous prime is 121314021119. The next prime is 121314021137. The reversal of 121314021132 is 231120413121.

It is a super-2 number, since 2×1213140211322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121314021099 and 121314021108.

It is not an unprimeable number, because it can be changed into a prime (121314021137) 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, 174301407 + ... + 174302102.

It is an arithmetic number, because the mean of its divisors is an integer number (12201122850).

Almost surely, 2121314021132 is an apocalyptic number.

121314021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121314021132 is an abundant number, since it is smaller than the sum of its proper divisors (171512927268).

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

121314021132 is a wasteful number, since it uses less digits than its factorization.

121314021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348603545 (or 348603543 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121314021132 its reverse (231120413121), we get a palindrome (352434434253).

The spelling of 121314021132 in words is "one hundred twenty-one billion, three hundred fourteen million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 348603509 697207018 1045810527 1394414036 2091621054 4183242108 10109501761 20219003522 30328505283 40438007044 60657010566 121314021132