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121001200223310 = 2325111513001269719
BaseRepresentation
bin11011100000110011001001…
…100011101000010001001110
3120212102121020200122010021200
4123200303021203220101032
5111324440424224121220
61105203103424210330
734326022353521421
oct3340631143502116
9525377220563250
10121001200223310
11356113590386a0
12116a2a151699a6
135269497267504
1421c46bca639b8
15dec7bb44d890
hex6e0cc98e844e

121001200223310 has 192 divisors, whose sum is σ = 345592676183040. Its totient is φ = 29129544000000.

The previous prime is 121001200223287. The next prime is 121001200223311. The reversal of 121001200223310 is 13322002100121.

121001200223310 is a `hidden beast` number, since 1 + 2 + 10 + 0 + 120 + 0 + 223 + 310 = 666.

It is a super-2 number, since 2×1210012002233102 (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 (121001200223311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 448484631 + ... + 448754349.

It is an arithmetic number, because the mean of its divisors is an integer number (1799961855120).

Almost surely, 2121001200223310 is an apocalyptic number.

121001200223310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121001200223310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172796338091520).

121001200223310 is an abundant number, since it is smaller than the sum of its proper divisors (224591475959730).

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

121001200223310 is a wasteful number, since it uses less digits than its factorization.

121001200223310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272895 (or 272892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121001200223310 its reverse (13322002100121), we get a palindrome (134323202323431).

The spelling of 121001200223310 in words is "one hundred twenty-one trillion, one billion, two hundred million, two hundred twenty-three thousand, three hundred ten".