201202120 has 32 divisors (see below), whose sum is σ = 517377600.
Its totient is φ = 68983488.
The previous prime is 201202103. The next prime is 201202181. The reversal of 201202120 is 21202102.
Adding to 201202120 its reverse (21202102), we get a palindrome (222404222).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 201202097 and 201202106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359010 + ... + 359569.
It is an arithmetic number, because the mean of its divisors is an integer number (16168050).
Almost surely, 2201202120 is an apocalyptic number.
201202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201202120 is an abundant number, since it is smaller than the sum of its proper divisors (316175480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201202120 is a wasteful number, since it uses less digits than its factorization.
201202120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718597 (or 718593 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 201202120 is about 14184.5733104666.
The cubic root of 201202120 is about 585.9728813645.
The spelling of 201202120 in words is "two hundred one million, two hundred two thousand, one hundred twenty".