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121302002300 = 225217233102353
BaseRepresentation
bin111000011111000101…
…0011010101001111100
3102121002202010011212212
41300332022122221330
53441411303033200
6131420402515552
711522656002323
oct1607612325174
9377082104785
10121302002300
11474978aa786
121b613965bb8
13b591b7382b
145c2a2290ba
15324e43e035
hex1c3e29aa7c

121302002300 has 72 divisors (see below), whose sum is σ = 290827073376. Its totient is φ = 43681116160.

The previous prime is 121302002291. The next prime is 121302002303. The reversal of 121302002300 is 3200203121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302002303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1512077 + ... + 1590276.

It is an arithmetic number, because the mean of its divisors is an integer number (4039264908).

Almost surely, 2121302002300 is an apocalyptic number.

121302002300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302002300 is an abundant number, since it is smaller than the sum of its proper divisors (169525071076).

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

121302002300 is a wasteful number, since it uses less digits than its factorization.

121302002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102407 (or 3102400 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121302002300 its reverse (3200203121), we get a palindrome (124502205421).

The spelling of 121302002300 in words is "one hundred twenty-one billion, three hundred two million, two thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 23 25 34 46 50 68 85 92 100 115 170 230 340 391 425 460 575 782 850 1150 1564 1700 1955 2300 3910 7820 9775 19550 39100 3102353 6204706 12409412 15511765 31023530 52740001 62047060 71354119 77558825 105480002 142708238 155117650 210960004 263700005 285416476 310235300 356770595 527400010 713541190 1054800020 1213020023 1318500025 1427082380 1783852975 2426040046 2637000050 3567705950 4852080092 5274000100 6065100115 7135411900 12130200230 24260400460 30325500575 60651001150 121302002300