1233212111120 has 80 divisors (see below), whose sum is σ = 3186890972352. Its totient is φ = 439979604480.

The previous prime is 1233212111081. The next prime is 1233212111141. The reversal of 1233212111120 is 211112123321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1233212111120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1233212111092 and 1233212111101.

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, 13173902 + ... + 13267181.

Almost surely, 2^{1233212111120} is an apocalyptic number.

1233212111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233212111120 is an abundant number, since it is smaller than the sum of its proper divisors (1953678861232).

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

1233212111120 is a wasteful number, since it uses less digits than its factorization.

1233212111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26441160 (or 26441154 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1233212111120 its reverse (211112123321), we get a palindrome (1444324234441).

The spelling of 1233212111120 in words is "one trillion, two hundred thirty-three billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty".