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20212010012 = 22237910912549
BaseRepresentation
bin10010110100101110…
…101100110000011100
31221011121110111022102
4102310232230300130
5312343233310022
613141341304232
71313605151615
oct226456546034
957147414272
1020212010012
118632175307
123b00b65078
131ba15a864c
14d9a512c0c
157d4698a92
hex4b4bacc1c

20212010012 has 48 divisors (see below), whose sum is σ = 37425024000. Its totient is φ = 9531762240.

The previous prime is 20212010009. The next prime is 20212010023. The reversal of 20212010012 is 21001021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212009975 and 20212010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7928114 + ... + 7930662.

It is an arithmetic number, because the mean of its divisors is an integer number (779688000).

Almost surely, 220212010012 is an apocalyptic number.

It is an amenable number.

20212010012 is a deficient number, since it is larger than the sum of its proper divisors (17213013988).

20212010012 is a wasteful number, since it uses less digits than its factorization.

20212010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20212010012 its reverse (21001021202), we get a palindrome (41213031214).

The spelling of 20212010012 in words is "twenty billion, two hundred twelve million, ten thousand, twelve".

Divisors: 1 2 4 23 46 79 92 158 316 1091 1817 2182 2549 3634 4364 5098 7268 10196 25093 50186 58627 86189 100372 117254 172378 201371 234508 344756 402742 805484 1982347 2780959 3964694 4631533 5561918 7929388 9263066 11123836 18526132 63962057 127924114 219695761 255848228 439391522 878783044 5053002503 10106005006 20212010012