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12021220210002 = 234742628440461
BaseRepresentation
bin1010111011101110100010…
…0011110111010101010010
31120120012212111122110111020
42232323220203313111102
53033423424333210002
641322250004500310
72350335020556663
oct256735043672522
946505774573436
1012021220210002
113915197463743
1214219623aa696
13692799b16873
142d7b89d7536a
1515ca75d6a2bc
hexaeee88f7552

12021220210002 has 16 divisors (see below), whose sum is σ = 24553981706112. Its totient is φ = 3921816522320.

The previous prime is 12021220209967. The next prime is 12021220210067. The reversal of 12021220210002 is 20001202212021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21314219949 + ... + 21314220512.

It is an arithmetic number, because the mean of its divisors is an integer number (1534623856632).

Almost surely, 212021220210002 is an apocalyptic number.

12021220210002 is an abundant number, since it is smaller than the sum of its proper divisors (12532761496110).

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

12021220210002 is a wasteful number, since it uses less digits than its factorization.

12021220210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42628440513.

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

Adding to 12021220210002 its reverse (20001202212021), we get a palindrome (32022422422023).

The spelling of 12021220210002 in words is "twelve trillion, twenty-one billion, two hundred twenty million, two hundred ten thousand, two".

Divisors: 1 2 3 6 47 94 141 282 42628440461 85256880922 127885321383 255770642766 2003536701667 4007073403334 6010610105001 12021220210002