301212220221212 has 24 divisors (see below), whose sum is σ = 527236700222400. Its totient is φ = 150573166534656.

The previous prime is 301212220221197. The next prime is 301212220221229. The reversal of 301212220221212 is 212122022212103.

It is a super-2 number, since 2×301212220221212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349438364 + ... + 350299292.

It is an arithmetic number, because the mean of its divisors is an integer number (21968195842600).

Almost surely, 2^{301212220221212} is an apocalyptic number.

It is an amenable number.

301212220221212 is a deficient number, since it is larger than the sum of its proper divisors (226024480001188).

301212220221212 is a wasteful number, since it uses less digits than its factorization.

301212220221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879965 (or 879963 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 301212220221212 its reverse (212122022212103), we get a palindrome (513334242433315).

The spelling of 301212220221212 in words is "three hundred one trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twelve".