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120021220200 = 23352730793083
BaseRepresentation
bin110111111000111010…
…0100111101101101000
3102110210111002201010210
41233301310213231220
53431300413021300
6131045331141120
711446144352610
oct1576164475550
9373714081123
10120021220200
114699a939182
121b316a447a0
13b419706cbb
145b480aba40
1531c6c98050
hex1bf1d27b68

120021220200 has 192 divisors, whose sum is σ = 426607695360. Its totient is φ = 27343768320.

The previous prime is 120021220117. The next prime is 120021220211. The reversal of 120021220200 is 2022120021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1242859 + ... + 1335941.

It is an arithmetic number, because the mean of its divisors is an integer number (2221915080).

Almost surely, 2120021220200 is an apocalyptic number.

120021220200 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 120021220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213303847680).

120021220200 is an abundant number, since it is smaller than the sum of its proper divisors (306586475160).

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

120021220200 is a wasteful number, since it uses less digits than its factorization.

120021220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93416 (or 93407 counting only the distinct ones).

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

Adding to 120021220200 its reverse (2022120021), we get a palindrome (122043340221).

The spelling of 120021220200 in words is "one hundred twenty billion, twenty-one million, two hundred twenty thousand, two hundred".