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121332323020 = 22554071121993
BaseRepresentation
bin111000011111111111…
…0000101001011001100
3102121011212011122002111
41300333332011023030
53441442033314040
6131423404433404
711523504505036
oct1607776051314
9377155148074
10121332323020
1147502a2a127
121b621b48864
13b59822b79c
145c3027cc56
153251e2cdea
hex1c3ff852cc

121332323020 has 24 divisors (see below), whose sum is σ = 254845229184. Its totient is φ = 48523910016.

The previous prime is 121332322999. The next prime is 121332323023. The reversal of 121332323020 is 20323233121.

It is a junction number, because it is equal to n+sod(n) for n = 121332322982 and 121332323000.

It is not an unprimeable number, because it can be changed into a prime (121332323023) 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, 452857 + ... + 669136.

It is an arithmetic number, because the mean of its divisors is an integer number (10618551216).

Almost surely, 2121332323020 is an apocalyptic number.

121332323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121332323020 is an abundant number, since it is smaller than the sum of its proper divisors (133512906164).

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

121332323020 is a wasteful number, since it uses less digits than its factorization.

121332323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127409 (or 1127407 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121332323020 its reverse (20323233121), we get a palindrome (141655556141).

The spelling of 121332323020 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 5407 10814 21628 27035 54070 108140 1121993 2243986 4487972 5609965 11219930 22439860 6066616151 12133232302 24266464604 30333080755 60666161510 121332323020