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122121010010212 = 22307925301391907
BaseRepresentation
bin11011110001000110000011…
…011010111101100001100100
3121000101122200011022022221121
4123301012003122331201210
5112001312312030311322
61111421341214223324
734502644320616633
oct3361060332754144
9530348604268847
10122121010010212
1135a0325850a7a4
1211843a531b4b44
13531ac671ab985
14222298d05b51a
15e1b9ab0e5ec7
hex6f11836bd864

122121010010212 has 24 divisors (see below), whose sum is σ = 213790172016960. Its totient is φ = 61038105400800.

The previous prime is 122121010010141. The next prime is 122121010010257. The reversal of 122121010010212 is 212010010121221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311411163 + ... + 311803069.

It is an arithmetic number, because the mean of its divisors is an integer number (8907923834040).

Almost surely, 2122121010010212 is an apocalyptic number.

It is an amenable number.

122121010010212 is a deficient number, since it is larger than the sum of its proper divisors (91669162006748).

122121010010212 is a wasteful number, since it uses less digits than its factorization.

122121010010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420291 (or 420289 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122121010010212 its reverse (212010010121221), we get a palindrome (334131020131433).

The spelling of 122121010010212 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, ten million, ten thousand, two hundred twelve".

Divisors: 1 2 4 3079 6158 12316 25301 50602 101204 391907 783814 1567628 77901779 155803558 311607116 1206681653 2413363306 4826726612 9915639007 19831278014 39662556028 30530252502553 61060505005106 122121010010212