1202220213 has 4 divisors (see below), whose sum is σ = 1602960288. Its totient is φ = 801480140.

The previous prime is 1202220199. The next prime is 1202220247. The reversal of 1202220213 is 3120222021.

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 1202220213 - 2⁴ = 1202220197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202220192 and 1202220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202220293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200370033 + ... + 200370038.

It is an arithmetic number, because the mean of its divisors is an integer number (400740072).

Almost surely, 2^1202220213 is an apocalyptic number.

It is an amenable number.

1202220213 is a deficient number, since it is larger than the sum of its proper divisors (400740075).

1202220213 is an equidigital number, since it uses as much as digits as its factorization.

1202220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400740074.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1202220213 is about 34673.0473567006. The cubic root of 1202220213 is about 1063.3135344062.

Adding to 1202220213 its reverse (3120222021), we get a palindrome (4322442234).

It can be divided in two parts, 120222021 and 3, that multiplied together give a palindrome (360666063).

The spelling of 1202220213 in words is "one billion, two hundred two million, two hundred twenty thousand, two hundred thirteen".