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121300030110000 = 2435471992902609
BaseRepresentation
bin11011100101001001011101…
…001101001011100100110000
3120220111011120122210020022210
4123211021131031023210300
5111344334430202010000
61105552244201532120
734356431552613030
oct3345113515134460
9526434518706283
10121300030110000
11357170657914a5
12117309127a4040
13528b70b837181
1421d4d4a6158c0
15e0545b027350
hex6e525d34b930

121300030110000 has 400 divisors, whose sum is σ = 449760580544000. Its totient is φ = 27586386432000.

The previous prime is 121300030109987. The next prime is 121300030110001. The reversal of 121300030110000 is 11030003121.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×1213000301100002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (121300030110001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40338696 + ... + 43241304.

It is an arithmetic number, because the mean of its divisors is an integer number (1124401451360).

Almost surely, 2121300030110000 is an apocalyptic number.

121300030110000 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 121300030110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224880290272000).

121300030110000 is an abundant number, since it is smaller than the sum of its proper divisors (328460550434000).

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

121300030110000 is a wasteful number, since it uses less digits than its factorization.

121300030110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902846 (or 2902825 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 121300030110000 its reverse (11030003121), we get a palindrome (121311060113121).

The spelling of 121300030110000 in words is "one hundred twenty-one trillion, three hundred billion, thirty million, one hundred ten thousand".