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121201606622 = 2715387158443
BaseRepresentation
bin111000011100000101…
…1011011111111011110
3102120211202012112220102
41300320023123333132
53441210102402442
6131402415021102
711520326441465
oct1607013337736
9376752175812
10121201606622
1147446168a48
121b5a620a792
13b577121bc5
145c1ab739dc
15324570c232
hex1c382dbfde

121201606622 has 16 divisors (see below), whose sum is σ = 184398394752. Its totient is φ = 59735802840.

The previous prime is 121201606619. The next prime is 121201606639. The reversal of 121201606622 is 226606102121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685733 + ... + 844175.

It is an arithmetic number, because the mean of its divisors is an integer number (11524899672).

Almost surely, 2121201606622 is an apocalyptic number.

121201606622 is a deficient number, since it is larger than the sum of its proper divisors (63196788130).

121201606622 is a wasteful number, since it uses less digits than its factorization.

121201606622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163903.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 121201606622 its reverse (226606102121), we get a palindrome (347807708743).

The spelling of 121201606622 in words is "one hundred twenty-one billion, two hundred one million, six hundred six thousand, six hundred twenty-two".

Divisors: 1 2 71 142 5387 10774 158443 316886 382477 764954 11249453 22498906 853532441 1707064882 60600803311 121201606622