1121230012 has 24 divisors (see below), whose sum is σ = 2274048000. Its totient is φ = 473758320.

The previous prime is 1121230003. The next prime is 1121230037. The reversal of 1121230012 is 2100321211.

It is a junction number, because it is equal to n+sod(n) for n = 1121229974 and 1121230001.

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, 280012 + ... + 283987.

It is an arithmetic number, because the mean of its divisors is an integer number (94752000).

Almost surely, 2^1121230012 is an apocalyptic number.

It is an amenable number.

1121230012 is an abundant number, since it is smaller than the sum of its proper divisors (1152817988).

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

1121230012 is a wasteful number, since it uses less digits than its factorization.

1121230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564081 (or 564079 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1121230012 is about 33484.7728378139. The cubic root of 1121230012 is about 1038.8788497406.

Adding to 1121230012 its reverse (2100321211), we get a palindrome (3221551223).

The spelling of 1121230012 in words is "one billion, one hundred twenty-one million, two hundred thirty thousand, twelve".