302012220320122 has 8 divisors (see below), whose sum is σ = 487865894363316. Its totient is φ = 139390255532352.

The previous prime is 302012220320119. The next prime is 302012220320123. The reversal of 302012220320122 is 221023022210203.

It can be written as a sum of positive squares in 2 ways, for example, as 295653546987241 + 6358673332881 = 17194579^2 + 2521641^2 .

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

It is a super-2 number, since 2×302012220320122² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302012220320093 and 302012220320102.

It is not an unprimeable number, because it can be changed into a prime (302012220320123) 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, 5807927313823 + ... + 5807927313874.

Almost surely, 2^{302012220320122} is an apocalyptic number.

302012220320122 is a deficient number, since it is larger than the sum of its proper divisors (185853674043194).

302012220320122 is a wasteful number, since it uses less digits than its factorization.

302012220320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615854627712.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 302012220320122 its reverse (221023022210203), we get a palindrome (523035242530325).

The spelling of 302012220320122 in words is "three hundred two trillion, twelve billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty-two".