1222451354212 has 24 divisors (see below), whose sum is σ = 2409053697792. Its totient is φ = 537735199200.

The previous prime is 1222451354129. The next prime is 1222451354239. The reversal of 1222451354212 is 2124531542221.

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, 448111303 + ... + 448114030.

It is an arithmetic number, because the mean of its divisors is an integer number (100377237408).

Almost surely, 2^{1222451354212} is an apocalyptic number.

It is an amenable number.

1222451354212 is a deficient number, since it is larger than the sum of its proper divisors (1186602343580).

1222451354212 is a wasteful number, since it uses less digits than its factorization.

1222451354212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896225379 (or 896225377 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 1222451354212 its reverse (2124531542221), we get a palindrome (3346982896433).

The spelling of 1222451354212 in words is "one trillion, two hundred twenty-two billion, four hundred fifty-one million, three hundred fifty-four thousand, two hundred twelve".