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121330230000000 = 273577836961
BaseRepresentation
bin11011100101100101100101…
…010000100111100110000000
3120220121001112100012121020020
4123211211211100213212000
5111400333302340000000
61110014201014213440
734361551130500410
oct3345454520474600
9526531470177206
10121330230000000
113572895284287a
1211736740654280
135291512448478
1421d65b3414640
15e06127487ba0
hex6e5965427980

121330230000000 has 1024 divisors, whose sum is σ = 466017681991680. Its totient is φ = 27394560000000.

The previous prime is 121330229999977. The next prime is 121330230000103. The reversal of 121330230000000 is 32033121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17429996520 + ... + 17430003480.

It is an arithmetic number, because the mean of its divisors is an integer number (455095392570).

Almost surely, 2121330230000000 is an apocalyptic number.

121330230000000 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 121330230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233008840995840).

121330230000000 is an abundant number, since it is smaller than the sum of its proper divisors (344687451991680).

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

121330230000000 is an frugal number, since it uses more digits than its factorization.

121330230000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 121330230000000 its reverse (32033121), we get a palindrome (121330262033121).

The spelling of 121330230000000 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred thirty million", and thus it is an aban number.