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120101312422100 = 22521201013124221
BaseRepresentation
bin11011010011101101000100…
…000100000110000011010100
3120202020120110221222022212002
4123103231010010012003110
5111220214441440001400
61103233440425414432
734204014324441152
oct3323550404060324
9522216427868762
10120101312422100
11352a4753911479
121157853263a418
135202674b03529
142192d125263d2
15dd419dbd5ed5
hex6d3b441060d4

120101312422100 has 18 divisors (see below), whose sum is σ = 260619847956174. Its totient is φ = 48040524968800.

The previous prime is 120101312422099. The next prime is 120101312422109. The reversal of 120101312422100 is 1224213101021.

It can be written as a sum of positive squares in 3 ways, for example, as 1901232837904 + 118200079584196 = 1378852^2 + 10871986^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101312422109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600506562011 + ... + 600506562210.

Almost surely, 2120101312422100 is an apocalyptic number.

120101312422100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101312422100 is an abundant number, since it is smaller than the sum of its proper divisors (140518535534074).

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

120101312422100 is a wasteful number, since it uses less digits than its factorization.

120101312422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201013124235 (or 1201013124228 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 120101312422100 its reverse (1224213101021), we get a palindrome (121325525523121).

The spelling of 120101312422100 in words is "one hundred twenty trillion, one hundred one billion, three hundred twelve million, four hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1201013124221 2402026248442 4804052496884 6005065621105 12010131242210 24020262484420 30025328105525 60050656211050 120101312422100