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101201201101212 = 22369011122204191
BaseRepresentation
bin10111000000101010111101…
…101001000111100110011100
3111021022201222201002220101020
4113000222331221013212130
5101231040024440214322
6555123105011044140
730213355051061142
oct2700527551074634
9437281881086336
10101201201101212
112a2782087913a3
12b4255795a0650
13446130351c414
141adc242a75592
15ba771eb6205c
hex5c0abda4799c

101201201101212 has 24 divisors (see below), whose sum is σ = 236139559552512. Its totient is φ = 33733244607600.

The previous prime is 101201201101043. The next prime is 101201201101219. The reversal of 101201201101212 is 212101102102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101201201101191 and 101201201101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201201101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60273964 + ... + 61930227.

It is an arithmetic number, because the mean of its divisors is an integer number (9839148314688).

Almost surely, 2101201201101212 is an apocalyptic number.

101201201101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101201201101212 is an abundant number, since it is smaller than the sum of its proper divisors (134938358451300).

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

101201201101212 is a wasteful number, since it uses less digits than its factorization.

101201201101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122273209 (or 122273207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101201201101212 its reverse (212101102102101), we get a palindrome (313302303203313).

The spelling of 101201201101212 in words is "one hundred one trillion, two hundred one billion, two hundred one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 69011 138022 207033 276044 414066 828132 122204191 244408382 366612573 488816764 733225146 1466450292 8433433425101 16866866850202 25300300275303 33733733700404 50600600550606 101201201101212