1202013221 has 8 divisors (see below), whose sum is σ = 1228548384. Its totient is φ = 1175765200.

The previous prime is 1202013181. The next prime is 1202013227. The reversal of 1202013221 is 1223102021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202013221 - 2¹⁸ = 1201751077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202013196 and 1202013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202013227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63311 + ... + 80076.

It is an arithmetic number, because the mean of its divisors is an integer number (153568548).

Almost surely, 2^1202013221 is an apocalyptic number.

It is an amenable number.

1202013221 is a deficient number, since it is larger than the sum of its proper divisors (26535163).

1202013221 is a wasteful number, since it uses less digits than its factorization.

1202013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143571.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202013221 is about 34670.0623160674. The cubic root of 1202013221 is about 1063.2525056458.

Adding to 1202013221 its reverse (1223102021), we get a palindrome (2425115242).

The spelling of 1202013221 in words is "one billion, two hundred two million, thirteen thousand, two hundred twenty-one".