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10202021220012 = 223850168435001
BaseRepresentation
bin1001010001110101011111…
…0110011100111010101100
31100010022012101210112221020
42110131113312130322230
52314122214413020022
633410424400534140
72102033411363106
oct224352766347254
940108171715836
1010202021220012
113283720015786
121189278321350
1359007b14156b
14273acd830576
1512a5a0a6c35c
hex94757d9ceac

10202021220012 has 12 divisors (see below), whose sum is σ = 23804716180056. Its totient is φ = 3400673740000.

The previous prime is 10202021220007. The next prime is 10202021220029. The reversal of 10202021220012 is 21002212020201.

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

It is a super-3 number, since 3×102020212200123 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202021219973 and 10202021220000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425084217489 + ... + 425084217512.

It is an arithmetic number, because the mean of its divisors is an integer number (1983726348338).

Almost surely, 210202021220012 is an apocalyptic number.

10202021220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202021220012 is an abundant number, since it is smaller than the sum of its proper divisors (13602694960044).

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

10202021220012 is a wasteful number, since it uses less digits than its factorization.

10202021220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850168435008 (or 850168435006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202021220012 its reverse (21002212020201), we get a palindrome (31204233240213).

The spelling of 10202021220012 in words is "ten trillion, two hundred two billion, twenty-one million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 850168435001 1700336870002 2550505305003 3400673740004 5101010610006 10202021220012