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20201202001212 = 22341307133743823
BaseRepresentation
bin1001001011111011101010…
…11110000010010100111100
32122112012211111112011211120
410211331311132002110330
510121434030203014322
6110544145403150540
74153326421560411
oct445756536022474
978465744464746
1020201202001212
116489310981571
122323165815450
13b36c7164821b
144dba59c30108
1525072dadda5c
hex125f7578253c

20201202001212 has 48 divisors (see below), whose sum is σ = 48443083003392. Its totient is φ = 6548097525120.

The previous prime is 20201202001199. The next prime is 20201202001213. The reversal of 20201202001212 is 21210020210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201202001191 and 20201202001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201202001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66720868 + ... + 67022955.

It is an arithmetic number, because the mean of its divisors is an integer number (1009230895904).

Almost surely, 220201202001212 is an apocalyptic number.

It is an amenable number.

20201202001212 is an abundant number, since it is smaller than the sum of its proper divisors (28241881002180).

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

20201202001212 is a wasteful number, since it uses less digits than its factorization.

20201202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133744178 (or 133744176 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201202001212 its reverse (21210020210202), we get a palindrome (41411222211414).

The spelling of 20201202001212 in words is "twenty trillion, two hundred one billion, two hundred two million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 307 492 614 921 1228 1842 3684 12587 25174 37761 50348 75522 151044 133743823 267487646 401231469 534975292 802462938 1604925876 5483496743 10966993486 16450490229 21933986972 32900980458 41059353661 65801960916 82118707322 123178060983 164237414644 246356121966 492712243932 1683433500101 3366867000202 5050300500303 6733734000404 10100601000606 20201202001212