1232001021012 has 24 divisors (see below), whose sum is σ = 2973795568800. Its totient is φ = 396506075616.

The previous prime is 1232001020953. The next prime is 1232001021029. The reversal of 1232001021012 is 2101201002321.

It is a super-2 number, since 2×1232001021012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232001020982 and 1232001021000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770116062 + ... + 1770116757.

It is an arithmetic number, because the mean of its divisors is an integer number (123908148700).

Almost surely, 2^{1232001021012} is an apocalyptic number.

1232001021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232001021012 is an abundant number, since it is smaller than the sum of its proper divisors (1741794547788).

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

1232001021012 is a wasteful number, since it uses less digits than its factorization.

1232001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540232855 (or 3540232853 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1232001021012 its reverse (2101201002321), we get a palindrome (3333202023333).

The spelling of 1232001021012 in words is "one trillion, two hundred thirty-two billion, one million, twenty-one thousand, twelve".