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122011020111212 = 2261749437204259
BaseRepresentation
bin11011101111011111100111…
…100000110010110101101100
3121000000010202202220112112122
4123233133213200302311230
5111443012032122024322
61111255031105052112
734462001551116311
oct3357374740626554
9530003682815478
10122011020111212
1135970646039721
1211826677927038
135310788b0a5bb
14221b517346d08
15e18bbed46442
hex6ef7e7832d6c

122011020111212 has 12 divisors (see below), whose sum is σ = 213865345628760. Its totient is φ = 60906635645856.

The previous prime is 122011020111181. The next prime is 122011020111283. The reversal of 122011020111212 is 212111020110221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24718599662 + ... + 24718604597.

It is an arithmetic number, because the mean of its divisors is an integer number (17822112135730).

Almost surely, 2122011020111212 is an apocalyptic number.

It is an amenable number.

122011020111212 is a deficient number, since it is larger than the sum of its proper divisors (91854325517548).

122011020111212 is a wasteful number, since it uses less digits than its factorization.

122011020111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49437204880 (or 49437204878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122011020111212 its reverse (212111020110221), we get a palindrome (334122040221433).

Subtracting 122011020111212 from its reverse (212111020110221), we obtain a palindrome (90099999999009).

The spelling of 122011020111212 in words is "one hundred twenty-two trillion, eleven billion, twenty million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 617 1234 2468 49437204259 98874408518 197748817036 30502755027803 61005510055606 122011020111212