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121302132124 = 223125731312161
BaseRepresentation
bin111000011111000101…
…0111010010110011100
3102121002202100202222011
41300332022322112130
53441411321211444
6131420405401004
711522660052655
oct1607612722634
9377082322864
10121302132124
1147497989278
121b613a09164
13b591bba954
145c2a26052c
15324e467734
hex1c3e2ba59c

121302132124 has 48 divisors (see below), whose sum is σ = 220700019456. Its totient is φ = 58274611200.

The previous prime is 121302132113. The next prime is 121302132167. The reversal of 121302132124 is 421231203121.

It is a junction number, because it is equal to n+sod(n) for n = 121302132095 and 121302132104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9968604 + ... + 9980764.

It is an arithmetic number, because the mean of its divisors is an integer number (4597917072).

Almost surely, 2121302132124 is an apocalyptic number.

It is an amenable number.

121302132124 is a deficient number, since it is larger than the sum of its proper divisors (99397887332).

121302132124 is a wasteful number, since it uses less digits than its factorization.

121302132124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12764 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121302132124 its reverse (421231203121), we get a palindrome (542533335245).

The spelling of 121302132124 in words is "one hundred twenty-one billion, three hundred two million, one hundred thirty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 31 62 124 257 313 514 626 1028 1252 7967 9703 12161 15934 19406 24322 31868 38812 48644 80441 160882 321764 376991 753982 1507964 2493671 3125377 3806393 4987342 6250754 7612786 9974684 12501508 15225572 96886687 117998183 193773374 235996366 387546748 471992732 978243001 1956486002 3912972004 30325533031 60651066062 121302132124