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10221012212120 = 235255525305303
BaseRepresentation
bin1001010010111100001111…
…0011010101100110011000
31100012010012220200220120022
42110233003303111212120
52314430113111241440
633423245043450012
72103305132221043
oct224570363254630
940163186626508
1010221012212120
113290785a29186
121190a98386908
13591ab6776bb8
142749b1b01c5a
1512ad12e27cb5
hex94bc3cd5998

10221012212120 has 16 divisors (see below), whose sum is σ = 22997277477360. Its totient is φ = 4088404884832.

The previous prime is 10221012212071. The next prime is 10221012212141. The reversal of 10221012212120 is 2121221012201.

10221012212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×102210122121203 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127762652612 + ... + 127762652691.

It is an arithmetic number, because the mean of its divisors is an integer number (1437329842335).

Almost surely, 210221012212120 is an apocalyptic number.

10221012212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221012212120 is an abundant number, since it is smaller than the sum of its proper divisors (12776265265240).

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

10221012212120 is a wasteful number, since it uses less digits than its factorization.

10221012212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255525305314 (or 255525305310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221012212120 its reverse (2121221012201), we get a palindrome (12342233224321).

The spelling of 10221012212120 in words is "ten trillion, two hundred twenty-one billion, twelve million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 255525305303 511050610606 1022101221212 1277626526515 2044202442424 2555253053030 5110506106060 10221012212120