1202220020213 has 4 divisors (see below), whose sum is σ = 1202280341100. Its totient is φ = 1202159699328.

The previous prime is 1202220020207. The next prime is 1202220020311. The reversal of 1202220020213 is 3120200222021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305833332484 + 896386687729 = 553022^2 + 946777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202220020213 - 2¹² = 1202220016117 is a prime.

It is a super-2 number, since 2×1202220020213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202220020191 and 1202220020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202220025213) 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, 30130538 + ... + 30170411.

It is an arithmetic number, because the mean of its divisors is an integer number (300570085275).

Almost surely, 2^{1202220020213} is an apocalyptic number.

It is an amenable number.

1202220020213 is a deficient number, since it is larger than the sum of its proper divisors (60320887).

1202220020213 is an equidigital number, since it uses as much as digits as its factorization.

1202220020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60320886.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1202220020213 its reverse (3120200222021), we get a palindrome (4322420242234).

The spelling of 1202220020213 in words is "one trillion, two hundred two billion, two hundred twenty million, twenty thousand, two hundred thirteen".