1202122213 has 4 divisors (see below), whose sum is σ = 1202701408. Its totient is φ = 1201543020.

The previous prime is 1202122177. The next prime is 1202122217. The reversal of 1202122213 is 3122212021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202122213 - 2²¹ = 1200025061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286473 + ... + 290638.

It is an arithmetic number, because the mean of its divisors is an integer number (300675352).

Almost surely, 2^1202122213 is an apocalyptic number.

It is an amenable number.

1202122213 is a deficient number, since it is larger than the sum of its proper divisors (579195).

1202122213 is an equidigital number, since it uses as much as digits as its factorization.

1202122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579194.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202122213 is about 34671.6341264729. The cubic root of 1202122213 is about 1063.2846413197.

Adding to 1202122213 its reverse (3122212021), we get a palindrome (4324334234).

The spelling of 1202122213 in words is "one billion, two hundred two million, one hundred twenty-two thousand, two hundred thirteen".