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122122021022212 = 22101302282230253
BaseRepresentation
bin11011110001000110111111…
…101011101010101000000100
3121000101202021121201001200111
4123301012333223222220010
5112001321344340202322
61111422025411522404
734503011345233531
oct3361067753525004
9530352247631614
10122122021022212
1135a03727175002
12118440958b9404
13531b0987a3223
142222a47433d88
15e1ba19c50177
hex6f11bfaeaa04

122122021022212 has 12 divisors (see below), whose sum is σ = 215829512401356. Its totient is φ = 60456446050400.

The previous prime is 122122021022167. The next prime is 122122021022257. The reversal of 122122021022212 is 212220120221221.

It is an interprime number because it is at equal distance from previous prime (122122021022167) and next prime (122122021022257).

It can be written as a sum of positive squares in 2 ways, for example, as 92973100769536 + 29148920252676 = 9642256^2 + 5398974^2 .

It is a super-2 number, since 2×1221220210222122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151141114723 + ... + 151141115530.

It is an arithmetic number, because the mean of its divisors is an integer number (17985792700113).

Almost surely, 2122122021022212 is an apocalyptic number.

It is an amenable number.

122122021022212 is a deficient number, since it is larger than the sum of its proper divisors (93707491379144).

122122021022212 is a wasteful number, since it uses less digits than its factorization.

122122021022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302282230358 (or 302282230356 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122122021022212 its reverse (212220120221221), we get a palindrome (334342141243433).

The spelling of 122122021022212 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 302282230253 604564460506 1209128921012 30530505255553 61061010511106 122122021022212