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1200221334212 = 22337398893427
BaseRepresentation
bin10001011101110010110…
…001000010101011000100
311020201222111012001102212
4101131302301002223010
5124131023130143322
62315212444322552
7152466414004205
oct21356261025304
94221874161385
101200221334212
1142301372082a
1217473b843458
13892464017b4
144213baa15ac
152134935b0e2
hex11772c42ac4

1200221334212 has 12 divisors (see below), whose sum is σ = 2100449825040. Its totient is φ = 600092812776.

The previous prime is 1200221334139. The next prime is 1200221334217. The reversal of 1200221334212 is 2124331220021.

It is not an unprimeable number, because it can be changed into a prime (1200221334217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311758 + ... + 4581669.

It is an arithmetic number, because the mean of its divisors is an integer number (175037485420).

Almost surely, 21200221334212 is an apocalyptic number.

It is an amenable number.

1200221334212 is a deficient number, since it is larger than the sum of its proper divisors (900228490828).

1200221334212 is a wasteful number, since it uses less digits than its factorization.

1200221334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927170 (or 8927168 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1200221334212 its reverse (2124331220021), we get a palindrome (3324552554233).

The spelling of 1200221334212 in words is "one trillion, two hundred billion, two hundred twenty-one million, three hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 4 33739 67478 134956 8893427 17786854 35573708 300055333553 600110667106 1200221334212