2224521621212 has 12 divisors (see below), whose sum is σ = 4246814004216. Its totient is φ = 1011146191440.

The previous prime is 2224521621209. The next prime is 2224521621227. The reversal of 2224521621212 is 2121261254222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25278654743 + ... + 25278654830.

It is an arithmetic number, because the mean of its divisors is an integer number (353901167018).

Almost surely, 2^{2224521621212} is an apocalyptic number.

2224521621212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2224521621212 is a deficient number, since it is larger than the sum of its proper divisors (2022292383004).

2224521621212 is a wasteful number, since it uses less digits than its factorization.

2224521621212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50557309588 (or 50557309586 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 2224521621212 its reverse (2121261254222), we get a palindrome (4345782875434).

The spelling of 2224521621212 in words is "two trillion, two hundred twenty-four billion, five hundred twenty-one million, six hundred twenty-one thousand, two hundred twelve".