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1220334001212 = 223412480353661
BaseRepresentation
bin10001110000100001100…
…100110001110000111100
311022122220011201101202110
4101300201210301300330
5124443221001014322
62332340320454020
7154111004601264
oct21604144616074
94278804641673
101220334001212
114305a4803177
1217861347a310
138b1002366a1
14430c8d147a4
1521b24e2ec0c
hex11c21931c3c

1220334001212 has 24 divisors (see below), whose sum is σ = 2916895906512. Its totient is φ = 396856585600.

The previous prime is 1220334001207. The next prime is 1220334001259. The reversal of 1220334001212 is 2121004330221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240176339 + ... + 1240177322.

It is an arithmetic number, because the mean of its divisors is an integer number (121537329438).

Almost surely, 21220334001212 is an apocalyptic number.

1220334001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220334001212 is an abundant number, since it is smaller than the sum of its proper divisors (1696561905300).

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

1220334001212 is a wasteful number, since it uses less digits than its factorization.

1220334001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480353709 (or 2480353707 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1220334001212 its reverse (2121004330221), we get a palindrome (3341338331433).

The spelling of 1220334001212 in words is "one trillion, two hundred twenty billion, three hundred thirty-four million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 2480353661 4960707322 7441060983 9921414644 14882121966 29764243932 101694500101 203389000202 305083500303 406778000404 610167000606 1220334001212