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1222531300212 = 223101877608351
BaseRepresentation
bin10001110010100100100…
…010110011101101110100
311022212120022022202022220
4101302210202303231310
5130012221003101322
62333342332322340
7154216315410645
oct21624442635564
94285508282286
101222531300212
11431522058462
12178b273133b0
138b390530801
1443256a8b6cc
1521c02cb655c
hex11ca48b3b74

1222531300212 has 12 divisors (see below), whose sum is σ = 2852573033856. Its totient is φ = 407510433400.

The previous prime is 1222531300163. The next prime is 1222531300223. The reversal of 1222531300212 is 2120031352221.

It is a tau number, because it is divible by the number of its divisors (12).

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, 50938804164 + ... + 50938804187.

It is an arithmetic number, because the mean of its divisors is an integer number (237714419488).

Almost surely, 21222531300212 is an apocalyptic number.

1222531300212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222531300212 is an abundant number, since it is smaller than the sum of its proper divisors (1630041733644).

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

1222531300212 is a wasteful number, since it uses less digits than its factorization.

1222531300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101877608358 (or 101877608356 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1222531300212 its reverse (2120031352221), we get a palindrome (3342562652433).

The spelling of 1222531300212 in words is "one trillion, two hundred twenty-two billion, five hundred thirty-one million, three hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 101877608351 203755216702 305632825053 407510433404 611265650106 1222531300212