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121323020031000 = 23325332294174771
BaseRepresentation
bin11011100101011110110111…
…100000110001010000011000
3120220120100220212101020010100
4123211132313200301100120
5111400224021111443000
61110011005335415400
734361204351663544
oct3345366740612030
9526510825336110
10121323020031000
1135725892a17407
1211735269b24560
1352909337a7818
1421d60cba3ca24
15e05d544e5a00
hex6e57b7831418

121323020031000 has 192 divisors, whose sum is σ = 410198902495200. Its totient is φ = 32342778144000.

The previous prime is 121323020030941. The next prime is 121323020031001. The reversal of 121323020031000 is 130020323121.

121323020031000 is a `hidden beast` number, since 1 + 21 + 32 + 302 + 0 + 0 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×1213230200310002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323020031001) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 26973615 + ... + 31148385.

Almost surely, 2121323020031000 is an apocalyptic number.

121323020031000 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 121323020031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205099451247600).

121323020031000 is an abundant number, since it is smaller than the sum of its proper divisors (288875882464200).

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

121323020031000 is a wasteful number, since it uses less digits than its factorization.

121323020031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178027 (or 4178010 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121323020031000 its reverse (130020323121), we get a palindrome (121453040354121).

The spelling of 121323020031000 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, twenty million, thirty-one thousand".