1121223333212 has 24 divisors (see below), whose sum is σ = 1963078656000. Its totient is φ = 560343799296.

The previous prime is 1121223333203. The next prime is 1121223333229. The reversal of 1121223333212 is 2123333221211.

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, 116196164 + ... + 116205812.

It is an arithmetic number, because the mean of its divisors is an integer number (81794944000).

Almost surely, 2^{1121223333212} is an apocalyptic number.

It is an amenable number.

1121223333212 is a deficient number, since it is larger than the sum of its proper divisors (841855322788).

1121223333212 is a wasteful number, since it uses less digits than its factorization.

1121223333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20525 (or 20523 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 1121223333212 its reverse (2123333221211), we get a palindrome (3244556554423).

The spelling of 1121223333212 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred twelve".