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122012102201 = 11229293118673
BaseRepresentation
bin111000110100001111…
…1001110111000111001
3102122221020021222211012
41301220133032320321
53444340044232301
6132015050443305
711546400520403
oct1615037167071
9378836258735
10122012102201
1147821718300
121b791733535
13b67600b0a2
145c96671b73
153291958ebb
hex1c687cee39

122012102201 has 24 divisors (see below), whose sum is σ = 139211722440. Its totient is φ = 106728849920.

The previous prime is 122012102167. The next prime is 122012102231. The reversal of 122012102201 is 102201210221.

It can be written as a sum of positive squares in 4 ways, for example, as 84172515625 + 37839586576 = 290125^2 + 194524^2 .

It is not a de Polignac number, because 122012102201 - 226 = 121944993337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012102231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968801 + ... + 1087473.

It is an arithmetic number, because the mean of its divisors is an integer number (5800488435).

Almost surely, 2122012102201 is an apocalyptic number.

122012102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122012102201 is a deficient number, since it is larger than the sum of its proper divisors (17199620239).

122012102201 is a wasteful number, since it uses less digits than its factorization.

122012102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119017 (or 119006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122012102201 its reverse (102201210221), we get a palindrome (224213312422).

It can be divided in two parts, 12201210220 and 1, that added together give a palindrome (12201210221).

The spelling of 122012102201 in words is "one hundred twenty-two billion, twelve million, one hundred two thousand, two hundred one".

Divisors: 1 11 29 121 293 319 3223 3509 8497 35453 93467 118673 1028137 1305403 3441517 14359433 34771189 37856687 382483079 416423557 1008364481 4207313869 11092009291 122012102201