1120121212 has 48 divisors (see below), whose sum is σ = 2365646080. Its totient is φ = 453340800.

The previous prime is 1120121207. The next prime is 1120121257. The reversal of 1120121212 is 2121210211.

1120121212 is a modest number, since divided by 121212 gives 1120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1120121192 and 1120121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172912 + ... + 179272.

Almost surely, 2^1120121212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182823040).

1120121212 is an abundant number, since it is smaller than the sum of its proper divisors (1245524868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120121212 is a wasteful number, since it uses less digits than its factorization.

1120121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722 (or 6720 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1120121212 is about 33468.2119629956. The cubic root of 1120121212 is about 1038.5362828637.

Adding to 1120121212 its reverse (2121210211), we get a palindrome (3241331423).

The spelling of 1120121212 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".