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12103002540000 = 253254661101723
BaseRepresentation
bin1011000000011111001100…
…1010101100011111100000
31120212000222001112021121100
42300013303022230133200
53041243422122240000
641424013111554400
72356261454112651
oct260076312543740
946760861467540
1012103002540000
113946944455719
12143578708ba00
1369a4012929c8
142dbb07707528
1515ec60a51a00
hexb01f32ac7e0

12103002540000 has 360 divisors, whose sum is σ = 43074114115032. Its totient is φ = 3222552960000.

The previous prime is 12103002539981. The next prime is 12103002540029. The reversal of 12103002540000 is 4520030121.

12103002540000 is a `hidden beast` number, since 1 + 210 + 30 + 0 + 25 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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 59 ways as a sum of consecutive naturals, for example, 118929139 + ... + 119030861.

Almost surely, 212103002540000 is an apocalyptic number.

12103002540000 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 12103002540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21537057057516).

12103002540000 is an abundant number, since it is smaller than the sum of its proper divisors (30971111575032).

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

12103002540000 is a wasteful number, since it uses less digits than its factorization.

12103002540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102420 (or 102394 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12103002540000 its reverse (4520030121), we get a palindrome (12107522570121).

The spelling of 12103002540000 in words is "twelve trillion, one hundred three billion, two million, five hundred forty thousand".