Search a number
-
+
1012210201200 = 2435211113678607
BaseRepresentation
bin11101011101011000110…
…11011111001001110000
310120202200200001220200010
432232230123133021300
5113041001302414300
62053000345254520
7133062340515162
oct16565433371160
93522620056603
101012210201200
113603042a7870
1214420b194440
13745b2b49973
1436dc3d40932
151b4e36a8a50
hexebac6df270

1012210201200 has 240 divisors, whose sum is σ = 3568522599936. Its totient is φ = 243212390400.

The previous prime is 1012210201193. The next prime is 1012210201213. The reversal of 1012210201200 is 21020122101.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1152297 + ... + 1830903.

Almost surely, 21012210201200 is an apocalyptic number.

1012210201200 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 1012210201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784261299968).

1012210201200 is an abundant number, since it is smaller than the sum of its proper divisors (2556312398736).

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

1012210201200 is a wasteful number, since it uses less digits than its factorization.

1012210201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678752 (or 678741 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012210201200 its reverse (21020122101), we get a palindrome (1033230323301).

The spelling of 1012210201200 in words is "one trillion, twelve billion, two hundred ten million, two hundred one thousand, two hundred".