Search a number
-
+
101212000010000 = 24541121013892129
BaseRepresentation
bin10111000000110101000001…
…010011101011111100010000
3111021100202212022011022022222
4113000311001103223330100
5101231224134000310000
6555132052333120212
730214216466223215
oct2700650123537420
9437322768138288
10101212000010000
112a28184a461400
12b427692029068
134462334899b89
141adc988d5bb0c
15ba7b52c2da85
hex5c0d414ebf10

101212000010000 has 600 divisors, whose sum is σ = 272840446078200. Its totient is φ = 36329216000000.

The previous prime is 101212000009951. The next prime is 101212000010029. The reversal of 101212000010000 is 10000212101.

It can be written as a sum of positive squares in 20 ways, for example, as 99411508363024 + 1800491646976 = 9970532^2 + 1341824^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 101212000010000.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 47539688936 + ... + 47539691064.

It is an arithmetic number, because the mean of its divisors is an integer number (454734076797).

Almost surely, 2101212000010000 is an apocalyptic number.

101212000010000 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 101212000010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136420223039100).

101212000010000 is an abundant number, since it is smaller than the sum of its proper divisors (171628446068200).

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

101212000010000 is a wasteful number, since it uses less digits than its factorization.

101212000010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101212000010000 its reverse (10000212101), we get a palindrome (101222000222101).

The spelling of 101212000010000 in words is "one hundred one trillion, two hundred twelve billion, ten thousand".