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121030425600000 = 21335571721941
BaseRepresentation
bin11011100001001110010111…
…100001100110000000000000
3120212112101200110100002020120
4123201032113201212000000
5111330430302423200000
61105224335425340240
734331105526235320
oct3341162741460000
9525471613302216
10121030425600000
1135622795aa3774
12116a8610797680
13526c173cc3207
1421c5c9226b280
15ded42c0646a0
hex6e1397866000

121030425600000 has 4032 divisors, whose sum is σ = 528072206215680. Its totient is φ = 24064819200000.

The previous prime is 121030425599999. The next prime is 121030425600013. The reversal of 121030425600000 is 6524030121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2951961599980 + ... + 2951961600020.

It is an arithmetic number, because the mean of its divisors is an integer number (130970289240).

Almost surely, 2121030425600000 is an apocalyptic number.

121030425600000 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 121030425600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264036103107840).

121030425600000 is an abundant number, since it is smaller than the sum of its proper divisors (407041780615680).

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

121030425600000 is an frugal number, since it uses more digits than its factorization.

121030425600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 121030425600000 its reverse (6524030121), we get a palindrome (121036949630121).

The spelling of 121030425600000 in words is "one hundred twenty-one trillion, thirty billion, four hundred twenty-five million, six hundred thousand".