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1220002111202 = 2787143007943
BaseRepresentation
bin10001110000001101110…
…010101101111011100010
311022122001001012122020212
4101300031302231323202
5124442031020024302
62332243343134122
7154066534562030
oct21601562557342
94278031178225
101220002111202
11430444428306
121785402a4342
138b079551574
1443096bdd550
1521b05c22052
hex11c0dcadee2

1220002111202 has 8 divisors (see below), whose sum is σ = 2091432190656. Its totient is φ = 522858047652.

The previous prime is 1220002111201. The next prime is 1220002111243. The reversal of 1220002111202 is 2021112000221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 87143007943 = 1220002111202 / (1 + 2 + 2 + 0 + 0 + 0 + 2 + 1 + 1 + 1 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1220002111201) 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, 43571503958 + ... + 43571503985.

It is an arithmetic number, because the mean of its divisors is an integer number (261429023832).

Almost surely, 21220002111202 is an apocalyptic number.

1220002111202 is a deficient number, since it is larger than the sum of its proper divisors (871430079454).

1220002111202 is an equidigital number, since it uses as much as digits as its factorization.

1220002111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87143007952.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220002111202 its reverse (2021112000221), we get a palindrome (3241114111423).

The spelling of 1220002111202 in words is "one trillion, two hundred twenty billion, two million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 7 14 87143007943 174286015886 610001055601 1220002111202