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1212804423076 = 225506372
BaseRepresentation
bin10001101001100000110…
…001101101110110100100
311021221110102111012100011
4101221200301231312210
5124332310413014301
62325053223500004
7153423265334401
oct21514061556644
94257412435304
101212804423076
1142839052a724
121770718b7604
138a4a02c06cc
14429b2d032a8
1521833da8a51
hex11a60c6dda4

1212804423076 has 9 divisors (see below), whose sum is σ = 2122411594849. Its totient is φ = 606401110264.

The previous prime is 1212804423053. The next prime is 1212804423091. The reversal of 1212804423076 is 6703244082121.

The square root of 1212804423076 is 1101274.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1110389062500 + 102415360576 = 1053750^2 + 320024^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 1927230 + ... + 2477866.

Almost surely, 21212804423076 is an apocalyptic number.

1212804423076 is the 1101274-th square number.

It is an amenable number.

1212804423076 is a deficient number, since it is larger than the sum of its proper divisors (909607171773).

1212804423076 is an frugal number, since it uses more digits than its factorization.

1212804423076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101278 (or 550639 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 1212804423076 in words is "one trillion, two hundred twelve billion, eight hundred four million, four hundred twenty-three thousand, seventy-six".

Divisors: 1 2 4 550637 1101274 2202548 303201105769 606402211538 1212804423076