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12120032331000 = 23325311432847083
BaseRepresentation
bin1011000001011110101000…
…1110001100010011111000
31120220122220220002022002100
42300113222032030103320
53042033311234043000
641435511015303400
72360433462002256
oct260275216142370
946818826068070
1012120032331000
113953093311760
121438b3a37ab60
1369bbb64b6c09
142dc88133d5d6
1516040ab60a00
hexb05ea38c4f8

12120032331000 has 384 divisors, whose sum is σ = 45729179907840. Its totient is φ = 2869858656000.

The previous prime is 12120032330999. The next prime is 12120032331013. The reversal of 12120032331000 is 13323002121.

12120032331000 is a `hidden beast` number, since 12 + 1 + 20 + 0 + 323 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×121200323310002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2833459 + ... + 5680541.

It is an arithmetic number, because the mean of its divisors is an integer number (119086406010).

Almost surely, 212120032331000 is an apocalyptic number.

12120032331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120032331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22864589953920).

12120032331000 is an abundant number, since it is smaller than the sum of its proper divisors (33609147576840).

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

12120032331000 is a wasteful number, since it uses less digits than its factorization.

12120032331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847164 (or 2847147 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12120032331000 its reverse (13323002121), we get a palindrome (12133355333121).

The spelling of 12120032331000 in words is "twelve trillion, one hundred twenty billion, thirty-two million, three hundred thirty-one thousand".