121224301012 has 24 divisors (see below), whose sum is σ = 224938402920. Its totient is φ = 56966246400.

The previous prime is 121224300979. The next prime is 121224301043. The reversal of 121224301012 is 210103422121.

It can be written as a sum of positive squares in 4 ways, for example, as 40560348816 + 80663952196 = 201396^2 + 284014^2 .

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, 1208989 + ... + 1305412.

It is an arithmetic number, because the mean of its divisors is an integer number (9372433455).

Almost surely, 2^121224301012 is an apocalyptic number.

It is an amenable number.

121224301012 is a deficient number, since it is larger than the sum of its proper divisors (103714101908).

121224301012 is a wasteful number, since it uses less digits than its factorization.

121224301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515131 (or 2515129 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121224301012 its reverse (210103422121), we get a palindrome (331327723133).

It can be divided in two parts, 12122 and 4301012, that added together give a palindrome (4313134).

The spelling of 121224301012 in words is "one hundred twenty-one billion, two hundred twenty-four million, three hundred one thousand, twelve".