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10101122101212 = 2236712563584703
BaseRepresentation
bin1001001011111101100111…
…0010110110111111011100
31022202122202120022020120020
42102333121302312333130
52310444044224214322
633252220314352140
72061532136126022
oct222773162667734
938678676266506
1010101122101212
1132449530aa39a
1211717b942b650
135836bb28657c
1426cc7b202712
15127b4792c05c
hex92fd9cb6fdc

10101122101212 has 24 divisors (see below), whose sum is σ = 23921065276416. Its totient is φ = 3316786361328.

The previous prime is 10101122101211. The next prime is 10101122101219. The reversal of 10101122101212 is 21210122110101.

It is a happy number.

It is a super-3 number, since 3×101011221012123 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101122101191 and 10101122101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101122101211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6281791548 + ... + 6281793155.

It is an arithmetic number, because the mean of its divisors is an integer number (996711053184).

Almost surely, 210101122101212 is an apocalyptic number.

10101122101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101122101212 is an abundant number, since it is smaller than the sum of its proper divisors (13819943175204).

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

10101122101212 is a wasteful number, since it uses less digits than its factorization.

10101122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563584777 (or 12563584775 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10101122101212 its reverse (21210122110101), we get a palindrome (31311244211313).

The spelling of 10101122101212 in words is "ten trillion, one hundred one billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 12563584703 25127169406 37690754109 50254338812 75381508218 150763016436 841760175101 1683520350202 2525280525303 3367040700404 5050561050606 10101122101212