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10202011212 = 22310119942299
BaseRepresentation
bin10011000000001011…
…00101011001001100
3222022222212212102010
421200011211121030
5131343203324322
64404200301220
7510546443631
oct114005453114
928288785363
1010202011212
114365851028
121b88771810
13c677ca033
146cad0a188
153ea9b320c
hex26016564c

10202011212 has 48 divisors (see below), whose sum is σ = 24161760000. Its totient is φ = 3350001600.

The previous prime is 10202011207. The next prime is 10202011241. The reversal of 10202011212 is 21211020201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220039 + ... + 262337.

It is an arithmetic number, because the mean of its divisors is an integer number (503370000).

Almost surely, 210202011212 is an apocalyptic number.

10202011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202011212 is an abundant number, since it is smaller than the sum of its proper divisors (13959748788).

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

10202011212 is a wasteful number, since it uses less digits than its factorization.

10202011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42606 (or 42604 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202011212 its reverse (21211020201), we get a palindrome (31413031413).

The spelling of 10202011212 in words is "ten billion, two hundred two million, eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 101 199 202 303 398 404 597 606 796 1194 1212 2388 20099 40198 42299 60297 80396 84598 120594 126897 169196 241188 253794 507588 4272199 8417501 8544398 12816597 16835002 17088796 25252503 25633194 33670004 50505006 51266388 101010012 850167601 1700335202 2550502803 3400670404 5101005606 10202011212