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122211020001222 = 23210167222783279
BaseRepresentation
bin11011110010011001111000…
…011011110100111111000110
3121000201021000002222122011100
4123302121320123310333012
5112004301132110014342
61111530544552520530
734512312001124535
oct3362317033647706
9530637002878140
10122211020001222
1135a38447835219
12118593933b0146
1353265b00bb699
14222708b3da31c
15e1dec8297e4c
hex6f26786f4fc6

122211020001222 has 24 divisors (see below), whose sum is σ = 267412231887840. Its totient is φ = 40333669966800.

The previous prime is 122211020001199. The next prime is 122211020001229. The reversal of 122211020001222 is 222100020112221.

It is a happy number.

122211020001222 is a `hidden beast` number, since 12 + 221 + 10 + 200 + 0 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122211020001195 and 122211020001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211020001229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33611389822 + ... + 33611393457.

It is an arithmetic number, because the mean of its divisors is an integer number (11142176328660).

Almost surely, 2122211020001222 is an apocalyptic number.

122211020001222 is an abundant number, since it is smaller than the sum of its proper divisors (145201211886618).

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

122211020001222 is a wasteful number, since it uses less digits than its factorization.

122211020001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67222783388 (or 67222783385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122211020001222 its reverse (222100020112221), we get a palindrome (344311040113443).

The spelling of 122211020001222 in words is "one hundred twenty-two trillion, two hundred eleven billion, twenty million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 67222783279 134445566558 201668349837 403336699674 605005049511 1210010099022 6789501111179 13579002222358 20368503333537 40737006667074 61105510000611 122211020001222