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10102212201212 = 2223990111090461
BaseRepresentation
bin1001001100000001101011…
…0001010000101011111100
31022202202120112112001122022
42103000122301100223330
52311003312310414322
633252520415135312
72061601143620105
oct223003261205374
938682515461568
1010102212201212
11324536247268a
121171a62514538
1358383307c061
1426cd41cc53ac
15127bad4a9942
hex9301ac50afc

10102212201212 has 24 divisors (see below), whose sum is σ = 18449382793632. Its totient is φ = 4831004376000.

The previous prime is 10102212201173. The next prime is 10102212201239. The reversal of 10102212201212 is 21210221220101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4634339 + ... + 6456122.

It is an arithmetic number, because the mean of its divisors is an integer number (768724283068).

Almost surely, 210102212201212 is an apocalyptic number.

It is an amenable number.

10102212201212 is a deficient number, since it is larger than the sum of its proper divisors (8347170592420).

10102212201212 is a wasteful number, since it uses less digits than its factorization.

10102212201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100389 (or 11100387 counting only the distinct ones).

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

Adding to 10102212201212 its reverse (21210221220101), we get a palindrome (31312433421313).

The spelling of 10102212201212 in words is "ten trillion, one hundred two billion, two hundred twelve million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 9901 19802 39604 227723 455446 910892 11090461 22180922 44361844 255080603 510161206 1020322412 109806654361 219613308722 439226617444 2525553050303 5051106100606 10102212201212