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12109016916480 = 293511158390547
BaseRepresentation
bin1011000000110101100110…
…1001101110001000000000
31120212121111012122021002210
42300031121221232020000
53041343231312311410
641430450000542120
72356563504346161
oct260153151561000
946777435567083
1012109016916480
1139494504057a0
121436985321940
1369ab4c323363
142dc1183b9768
1515eeb3a79220
hexb0359a6e200

12109016916480 has 320 divisors, whose sum is σ = 42257340499968. Its totient is φ = 2933632450560.

The previous prime is 12109016916463. The next prime is 12109016916497. The reversal of 12109016916480 is 8461961090121.

It is an interprime number because it is at equal distance from previous prime (12109016916463) and next prime (12109016916497).

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133686567 + ... + 133777113.

Almost surely, 212109016916480 is an apocalyptic number.

12109016916480 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 12109016916480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21128670249984).

12109016916480 is an abundant number, since it is smaller than the sum of its proper divisors (30148323583488).

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

12109016916480 is a wasteful number, since it uses less digits than its factorization.

12109016916480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92167 (or 92151 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 12109016916480 in words is "twelve trillion, one hundred nine billion, sixteen million, nine hundred sixteen thousand, four hundred eighty".