1302221221123 has 8 divisors (see below), whose sum is σ = 1303784132400. Its totient is φ = 1300658768160.

The previous prime is 1302221221061. The next prime is 1302221221153. The reversal of 1302221221123 is 3211221222031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302221221123 is a prime.

It is a super-2 number, since 2×1302221221123² (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 = 1302221221094 and 1302221221103.

It is not an unprimeable number, because it can be changed into a prime (1302221221153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750853 + ... + 5973001.

It is an arithmetic number, because the mean of its divisors is an integer number (162973016550).

Almost surely, 2^{1302221221123} is an apocalyptic number.

1302221221123 is a deficient number, since it is larger than the sum of its proper divisors (1562911277).

1302221221123 is an equidigital number, since it uses as much as digits as its factorization.

1302221221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229157.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1302221221123 its reverse (3211221222031), we get a palindrome (4513442443154).

The spelling of 1302221221123 in words is "one trillion, three hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-three".