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120011201010 = 23256771969657
BaseRepresentation
bin110111111000100111…
…0011001100111110010
3102110202210020200101200
41233301032121213302
53431240331413020
6131044332312030
711445663243261
oct1576116314762
9373683220350
10120011201010
1146995215658
121b313612616
13b41760979c
145b46a205d8
1531c5e69590
hex1bf13999f2

120011201010 has 48 divisors (see below), whose sum is σ = 312490181016. Its totient is φ = 31955698944.

The previous prime is 120011200949. The next prime is 120011201039. The reversal of 120011201010 is 10102110021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104465350521 + 15545850489 = 323211^2 + 124683^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120011200983 and 120011201001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 923899 + ... + 1045758.

Almost surely, 2120011201010 is an apocalyptic number.

120011201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120011201010 is an abundant number, since it is smaller than the sum of its proper divisors (192478980006).

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

120011201010 is a wasteful number, since it uses less digits than its factorization.

120011201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970347 (or 1970344 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120011201010 its reverse (10102110021), we get a palindrome (130113311031).

The spelling of 120011201010 in words is "one hundred twenty billion, eleven million, two hundred one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 677 1354 2031 3385 4062 6093 6770 10155 12186 20310 30465 60930 1969657 3939314 5908971 9848285 11817942 17726913 19696570 29544855 35453826 59089710 88634565 177269130 1333457789 2666915578 4000373367 6667288945 8000746734 12001120101 13334577890 20001866835 24002240202 40003733670 60005600505 120011201010