1113212123320 has 64 divisors (see below), whose sum is σ = 2732836566240. Its totient is φ = 404744140800.

The previous prime is 1113212123279. The next prime is 1113212123341. The reversal of 1113212123320 is 233212123111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1113212123291 and 1113212123300.

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, 2825124 + ... + 3194956.

Almost surely, 2^{1113212123320} is an apocalyptic number.

1113212123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113212123320 is an abundant number, since it is smaller than the sum of its proper divisors (1619624442920).

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

1113212123320 is a wasteful number, since it uses less digits than its factorization.

1113212123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376696 (or 376692 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1113212123320 its reverse (233212123111), we get a palindrome (1346424246431).

The spelling of 1113212123320 in words is "one trillion, one hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, three hundred twenty".