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121032102012 = 22310086008501
BaseRepresentation
bin111000010111000010…
…0110101000001111100
3102120101221020211021220
41300232010311001330
53440333204231022
6131333521553340
711513200615113
oct1605604650174
9376357224256
10121032102012
1147369514698
121b5594a5850
13b54ac84213
145c0244cc7a
1532358c885c
hex1c2e13507c

121032102012 has 12 divisors (see below), whose sum is σ = 282408238056. Its totient is φ = 40344034000.

The previous prime is 121032101947. The next prime is 121032102017. The reversal of 121032102012 is 210201230121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121032101982 and 121032102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043004239 + ... + 5043004262.

It is an arithmetic number, because the mean of its divisors is an integer number (23534019838).

Almost surely, 2121032102012 is an apocalyptic number.

121032102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121032102012 is an abundant number, since it is smaller than the sum of its proper divisors (161376136044).

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

121032102012 is a wasteful number, since it uses less digits than its factorization.

121032102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086008508 (or 10086008506 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121032102012 its reverse (210201230121), we get a palindrome (331233332133).

The spelling of 121032102012 in words is "one hundred twenty-one billion, thirty-two million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 10086008501 20172017002 30258025503 40344034004 60516051006 121032102012