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20102002101212 = 22171072762782037
BaseRepresentation
bin1001001001000010111001…
…01100011100101111011100
32122011201210002102010110012
410210201130230130233130
510113322400014214322
6110430422101102352
74143215231413103
oct444413454345734
978151702363405
1020102002101212
116450236145439
122307a9b9b79b8
13b2a7c2825045
144d6d2916303a
1524cd74c4aae2
hex12485cb1cbdc

20102002101212 has 24 divisors (see below), whose sum is σ = 37595937973104. Its totient is φ = 9371356666112.

The previous prime is 20102002101197. The next prime is 20102002101281. The reversal of 20102002101212 is 21210120020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381383743 + ... + 1381398294.

It is an arithmetic number, because the mean of its divisors is an integer number (1566497415546).

Almost surely, 220102002101212 is an apocalyptic number.

It is an amenable number.

20102002101212 is a deficient number, since it is larger than the sum of its proper divisors (17493935871892).

20102002101212 is a wasteful number, since it uses less digits than its factorization.

20102002101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762782165 (or 2762782163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102002101212 its reverse (21210120020102), we get a palindrome (41312122121314).

The spelling of 20102002101212 in words is "twenty trillion, one hundred two billion, two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 107 214 428 1819 3638 7276 2762782037 5525564074 11051128148 46967294629 93934589258 187869178516 295617677959 591235355918 1182470711836 5025500525303 10051001050606 20102002101212