1232111022012 has 48 divisors (see below), whose sum is σ = 3440082059680. Its totient is φ = 379111083264.

The previous prime is 1232111022011. The next prime is 1232111022059. The reversal of 1232111022012 is 2102201112321.

1232111022012 is a `hidden beast` number, since 1 + 2 + 321 + 110 + 220 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232111022011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438784573 + ... + 438787380.

Almost surely, 2^{1232111022012} is an apocalyptic number.

1232111022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232111022012 is an abundant number, since it is smaller than the sum of its proper divisors (2207971037668).

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

1232111022012 is a wasteful number, since it uses less digits than its factorization.

1232111022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877571979 (or 877571971 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1232111022012 its reverse (2102201112321), we get a palindrome (3334312134333).

The spelling of 1232111022012 in words is "one trillion, two hundred thirty-two billion, one hundred eleven million, twenty-two thousand, twelve".