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1012020220200 = 2335211277553561
BaseRepresentation
bin11101011101000010001…
…10110001000100101000
310120202012102120212201210
432232201012301010220
5113040104134021300
62052525441313120
7133054542636543
oct16564106610450
93522172525653
101012020220200
11360217038280
121441776357a0
137458268ca82
1436da6a0985a
151b4d1b7d050
hexeba11b1128

1012020220200 has 192 divisors, whose sum is σ = 3434830067520. Its totient is φ = 244452096000.

The previous prime is 1012020220199. The next prime is 1012020220229. The reversal of 1012020220200 is 20220202101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1551420 + ... + 2104980.

It is an arithmetic number, because the mean of its divisors is an integer number (17889739935).

Almost surely, 21012020220200 is an apocalyptic number.

1012020220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012020220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717415033760).

1012020220200 is an abundant number, since it is smaller than the sum of its proper divisors (2422809847320).

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

1012020220200 is a wasteful number, since it uses less digits than its factorization.

1012020220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553868 (or 553859 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1012020220200 its reverse (20220202101), we get a palindrome (1032240422301).

The spelling of 1012020220200 in words is "one trillion, twelve billion, twenty million, two hundred twenty thousand, two hundred".