1121230312120 has 64 divisors (see below), whose sum is σ = 2527364268000. Its totient is φ = 447675537408.

The previous prime is 1121230312109. The next prime is 1121230312141. The reversal of 1121230312120 is 212130321211.

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, 102963636 + ... + 102974524.

Almost surely, 2^{1121230312120} is an apocalyptic number.

1121230312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121230312120 is an abundant number, since it is smaller than the sum of its proper divisors (1406133955880).

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

1121230312120 is a wasteful number, since it uses less digits than its factorization.

1121230312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352 (or 15348 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121230312120 its reverse (212130321211), we get a palindrome (1333360633331).

Subtracting from 1121230312120 its reverse (212130321211), we obtain a palindrome (909099990909).

The spelling of 1121230312120 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, three hundred twelve thousand, one hundred twenty".