1121001212 has 12 divisors (see below), whose sum is σ = 1970173296. Its totient is φ = 558094560.

The previous prime is 1121001151. The next prime is 1121001227. The reversal of 1121001212 is 2121001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121001193 and 1121001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600464 + ... + 602327.

It is an arithmetic number, because the mean of its divisors is an integer number (164181108).

Almost surely, 2^1121001212 is an apocalyptic number.

It is an amenable number.

1121001212 is a deficient number, since it is larger than the sum of its proper divisors (849172084).

1121001212 is a wasteful number, since it uses less digits than its factorization.

1121001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203028 (or 1203026 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121001212 is about 33481.3561851966. The cubic root of 1121001212 is about 1038.8081798369.

Adding to 1121001212 its reverse (2121001211), we get a palindrome (3242002423).

Subtracting 1121001212 from its reverse (2121001211), we obtain a palindrome (999999999).

The spelling of 1121001212 in words is "one billion, one hundred twenty-one million, one thousand, two hundred twelve".