1202122133213 has 4 divisors (see below), whose sum is σ = 1204234826460. Its totient is φ = 1200009439968.

The previous prime is 1202122133159. The next prime is 1202122133231. The reversal of 1202122133213 is 3123312212021.

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 644491051204 + 557631082009 = 802802^2 + 746747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202122133213 - 2¹⁴ = 1202122116829 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 (1202122133243) 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, 1056345770 + ... + 1056346907.

It is an arithmetic number, because the mean of its divisors is an integer number (301058706615).

Almost surely, 2^{1202122133213} is an apocalyptic number.

It is an amenable number.

1202122133213 is a deficient number, since it is larger than the sum of its proper divisors (2112693247).

1202122133213 is an equidigital number, since it uses as much as digits as its factorization.

1202122133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112693246.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1202122133213 its reverse (3123312212021), we get a palindrome (4325434345234).

The spelling of 1202122133213 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirteen".