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202021010012 = 22177728421639
BaseRepresentation
bin1011110000100101100…
…0111111101001011100
3201022110012011122001002
42330021120333221130
511302214334310022
6232450203205432
720411161152323
oct2741130775134
9638405148032
10202021010012
1178749658a08
12331a0516878
1316086c415a3
149ac66890ba
1553c5ad7092
hex2f0963fa5c

202021010012 has 12 divisors (see below), whose sum is σ = 353735731440. Its totient is φ = 100953658176.

The previous prime is 202021010011. The next prime is 202021010027. The reversal of 202021010012 is 210010120202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202021009975 and 202021010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14203712 + ... + 14217927.

It is an arithmetic number, because the mean of its divisors is an integer number (29477977620).

Almost surely, 2202021010012 is an apocalyptic number.

It is an amenable number.

202021010012 is a deficient number, since it is larger than the sum of its proper divisors (151714721428).

202021010012 is a wasteful number, since it uses less digits than its factorization.

202021010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28423420 (or 28423418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202021010012 its reverse (210010120202), we get a palindrome (412031130214).

The spelling of 202021010012 in words is "two hundred two billion, twenty-one million, ten thousand, twelve".

Divisors: 1 2 4 1777 3554 7108 28421639 56843278 113686556 50505252503 101010505006 202021010012