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122102022231 = 3272819687523
BaseRepresentation
bin111000110110111011…
…0010000000001010111
3102200011111111101220200
41301231312100001113
54000031104202411
6132032022031543
711551542031050
oct1615566200127
9380144441820
10122102022231
1147868454582
121b7b78785b3
13b68b8327c7
145ca459b727
1532997bbe56
hex1c6dd90057

122102022231 has 24 divisors (see below), whose sum is σ = 201637038720. Its totient is φ = 69747731856.

The previous prime is 122102022227. The next prime is 122102022253. The reversal of 122102022231 is 132220201221.

It is not a de Polignac number, because 122102022231 - 22 = 122102022227 is a prime.

It is a super-2 number, since 2×1221020222312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102022131) 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, 166165 + ... + 521358.

It is an arithmetic number, because the mean of its divisors is an integer number (8401543280).

Almost surely, 2122102022231 is an apocalyptic number.

122102022231 is a deficient number, since it is larger than the sum of its proper divisors (79535016489).

122102022231 is a wasteful number, since it uses less digits than its factorization.

122102022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690355 (or 690352 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122102022231 its reverse (132220201221), we get a palindrome (254322223452).

The spelling of 122102022231 in words is "one hundred twenty-two billion, one hundred two million, twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 9 21 63 2819 8457 19733 25371 59199 177597 687523 2062569 4812661 6187707 14437983 43313949 1938127337 5814382011 13566891359 17443146033 40700674077 122102022231