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122211020212012 = 22471850993511951
BaseRepresentation
bin11011110010011001111000…
…011100101000011100101100
3121000201021000010101100022101
4123302121320130220130230
5112004301132133241022
61111530545001224444
734512312002663224
oct3362317034503454
9530637003340271
10122211020212012
1135a38447969626
1211859393492124
1353265b0163604
14222708b453084
15e1dec82da627
hex6f267872872c

122211020212012 has 24 divisors (see below), whose sum is σ = 218420937907200. Its totient is φ = 59805052741200.

The previous prime is 122211020211991. The next prime is 122211020212019. The reversal of 122211020212012 is 210212020112221.

It is a super-2 number, since 2×1222110202120122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122211020212019) 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, 33042637 + ... + 36554587.

It is an arithmetic number, because the mean of its divisors is an integer number (9100872412800).

Almost surely, 2122211020212012 is an apocalyptic number.

It is an amenable number.

122211020212012 is a deficient number, since it is larger than the sum of its proper divisors (96209917695188).

122211020212012 is a wasteful number, since it uses less digits than its factorization.

122211020212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697101 (or 3697099 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122211020212012 its reverse (210212020112221), we get a palindrome (332423040324233).

The spelling of 122211020212012 in words is "one hundred twenty-two trillion, two hundred eleven billion, twenty million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 47 94 188 185099 370198 740396 3511951 7023902 8699653 14047804 17399306 34798612 165061697 330123394 660246788 650058618149 1300117236298 2600234472596 30552755053003 61105510106006 122211020212012