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123011330132000 = 2553172347770767
BaseRepresentation
bin11011111110000011001110…
…101000101100100000100000
3121010112202202002200122121002
4123332003032220230200200
5112110404201003211000
61113342342552251132
734624163302032122
oct3376031650544040
9533482662618532
10123011330132000
11362168a2a62842
12119685056a0aa8
135383bc33a209b
142253acca11212
15e34c188ea8d5
hex6fe0cea2c820

123011330132000 has 192 divisors, whose sum is σ = 320154360454656. Its totient is φ = 46290356121600.

The previous prime is 123011330131999. The next prime is 123011330132123. The reversal of 123011330132000 is 231033110321.

It is a super-2 number, since 2×1230113301320002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159210617 + ... + 159981383.

It is an arithmetic number, because the mean of its divisors is an integer number (1667470627368).

Almost surely, 2123011330132000 is an apocalyptic number.

123011330132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123011330132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160077180227328).

123011330132000 is an abundant number, since it is smaller than the sum of its proper divisors (197143030322656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123011330132000 is a wasteful number, since it uses less digits than its factorization.

123011330132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773156 (or 773138 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123011330132000 its reverse (231033110321), we get a palindrome (123242363242321).

The spelling of 123011330132000 in words is "one hundred twenty-three trillion, eleven billion, three hundred thirty million, one hundred thirty-two thousand".