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10210202101212 = 2233174049662897
BaseRepresentation
bin1001010010010011111101…
…1110000010010111011100
31100011002022112120101012020
42110210333132002113130
52314240443214214322
633414300241340140
72102443216621521
oct224447736022734
940132275511166
1010210202101212
1132871389a7923
12118a980037650
13590a82ca6679
14274268141148
1512a8cdd9705c
hex9493f7825dc

10210202101212 has 48 divisors (see below), whose sum is σ = 23904897357600. Its totient is φ = 3391821402112.

The previous prime is 10210202101189. The next prime is 10210202101219. The reversal of 10210202101212 is 21210120201201.

It is a junction number, because it is equal to n+sod(n) for n = 10210202101191 and 10210202101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210202101219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15070948 + ... + 15733844.

It is an arithmetic number, because the mean of its divisors is an integer number (498018694950).

Almost surely, 210210202101212 is an apocalyptic number.

10210202101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10210202101212 is an abundant number, since it is smaller than the sum of its proper divisors (13694695256388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210202101212 is a wasteful number, since it uses less digits than its factorization.

10210202101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667270 (or 667268 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10210202101212 its reverse (21210120201201), we get a palindrome (31420322302413).

The spelling of 10210202101212 in words is "ten trillion, two hundred ten billion, two hundred two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 317 634 951 1268 1902 3804 4049 8098 12147 16196 24294 48588 662897 1283533 1325794 1988691 2567066 2651588 3850599 3977382 5134132 7701198 7954764 15402396 210138349 420276698 630415047 840553396 1260830094 2521660188 2684069953 5368139906 8052209859 10736279812 16104419718 32208839436 850850175101 1701700350202 2552550525303 3403400700404 5105101050606 10210202101212