1202202120 has 64 divisors (see below), whose sum is σ = 4121838720. Its totient is φ = 274788864.

The previous prime is 1202202101. The next prime is 1202202137. The reversal of 1202202120 is 212022021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1202202096 and 1202202105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714757 + ... + 716436.

It is an arithmetic number, because the mean of its divisors is an integer number (64403730).

Almost surely, 2^1202202120 is an apocalyptic number.

1202202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202202120 is an abundant number, since it is smaller than the sum of its proper divisors (2919636600).

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

1202202120 is a wasteful number, since it uses less digits than its factorization.

1202202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431214 (or 1431210 counting only the distinct ones).

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

The square root of 1202202120 is about 34672.7864470106. The cubic root of 1202202120 is about 1063.3082002120.

Adding to 1202202120 its reverse (212022021), we get a palindrome (1414224141).

The spelling of 1202202120 in words is "one billion, two hundred two million, two hundred two thousand, one hundred twenty".