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121202201112 = 23324232084231
BaseRepresentation
bin111000011100000110…
…1101101001000011000
3102120211210022202101120
41300320031231020120
53441210230413422
6131402435445240
711520334465626
oct1607015551030
9376753282346
10121202201112
1147446534663
121b5a6456820
13b57729c685
145c1ac8a516
1532457c845c
hex1c3836d218

121202201112 has 32 divisors (see below), whose sum is σ = 303130702080. Its totient is φ = 40384040480.

The previous prime is 121202201111. The next prime is 121202201167. The reversal of 121202201112 is 211102202121.

It is a junction number, because it is equal to n+sod(n) for n = 121202201091 and 121202201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202201111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983964 + ... + 1100267.

It is an arithmetic number, because the mean of its divisors is an integer number (9472834440).

Almost surely, 2121202201112 is an apocalyptic number.

121202201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121202201112 is an abundant number, since it is smaller than the sum of its proper divisors (181928500968).

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

121202201112 is a wasteful number, since it uses less digits than its factorization.

121202201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086663 (or 2086659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121202201112 its reverse (211102202121), we get a palindrome (332304403233).

The spelling of 121202201112 in words is "one hundred twenty-one billion, two hundred two million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 2423 4846 7269 9692 14538 19384 29076 58152 2084231 4168462 6252693 8336924 12505386 16673848 25010772 50021544 5050091713 10100183426 15150275139 20200366852 30300550278 40400733704 60601100556 121202201112