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202102120220112 = 243672753899123
BaseRepresentation
bin101101111100111110010001…
…000101011000010111010000
3222111120202220020200121000000
4231330332101011120113100
5202442220120234020422
61553500233213130000
760366252641342040
oct5574762105302720
9874522806617000
10202102120220112
115943a034088a62
121a8008b3189900
1388a01c06801a8
1437c9b1ad65720
1518572174b4cac
hexb7cf911585d0

202102120220112 has 280 divisors, whose sum is σ = 671205287415744. Its totient is φ = 57722423980032.

The previous prime is 202102120220111. The next prime is 202102120220159. The reversal of 202102120220112 is 211022021201202.

It is a happy number.

202102120220112 is a `hidden beast` number, since 2 + 0 + 210 + 2 + 120 + 220 + 112 = 666.

202102120220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102120220111) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 224327383 + ... + 225226505.

Almost surely, 2202102120220112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102120220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335602643707872).

202102120220112 is an abundant number, since it is smaller than the sum of its proper divisors (469103167195632).

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

202102120220112 is an equidigital number, since it uses as much as digits as its factorization.

202102120220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901909 (or 901888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202102120220112 its reverse (211022021201202), we get a palindrome (413124141421314).

The spelling of 202102120220112 in words is "two hundred two trillion, one hundred two billion, one hundred twenty million, two hundred twenty thousand, one hundred twelve".