1121012211212 has 6 divisors (see below), whose sum is σ = 1961771369628. Its totient is φ = 560506105604.

The previous prime is 1121012211197. The next prime is 1121012211229. The reversal of 1121012211212 is 2121122101211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140126526398 + ... + 140126526405.

It is an arithmetic number, because the mean of its divisors is an integer number (326961894938).

Almost surely, 2^{1121012211212} is an apocalyptic number.

It is an amenable number.

1121012211212 is a deficient number, since it is larger than the sum of its proper divisors (840759158416).

1121012211212 is a wasteful number, since it uses less digits than its factorization.

1121012211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280253052807 (or 280253052805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121012211212 its reverse (2121122101211), we get a palindrome (3242134312423).

The spelling of 1121012211212 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred eleven thousand, two hundred twelve".