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121022210231300 = 2252719335910092473
BaseRepresentation
bin11011100001000110101101…
…110110011100110000000100
3120212111121110220200010000202
4123201012231312130300010
5111330311441304400200
61105220500313430032
734330365121611140
oct3341065566346004
9525447426603022
10121022210231300
113561a25a6a6664
12116a6ab940b318
13526b464c746c1
1421c5713140220
15ded0eabc61d5
hex6e11add9cc04

121022210231300 has 288 divisors, whose sum is σ = 302952834777600. Its totient is φ = 41105931632640.

The previous prime is 121022210231243. The next prime is 121022210231317. The reversal of 121022210231300 is 3132012220121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48937406864 + ... + 48937409336.

It is an arithmetic number, because the mean of its divisors is an integer number (1051919565200).

Almost surely, 2121022210231300 is an apocalyptic number.

121022210231300 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 121022210231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151476417388800).

121022210231300 is an abundant number, since it is smaller than the sum of its proper divisors (181930624546300).

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

121022210231300 is a wasteful number, since it uses less digits than its factorization.

121022210231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121022210231300 its reverse (3132012220121), we get a palindrome (124154222451421).

The spelling of 121022210231300 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred thirty-one thousand, three hundred".