1232203211989 has 8 divisors (see below), whose sum is σ = 1297079784000. Its totient is φ = 1167329017152.

The previous prime is 1232203211963. The next prime is 1232203212013. The reversal of 1232203211989 is 9891123022321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232203211989 is a prime.

It is a super-2 number, since 2×1232203211989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232203211089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523632 + ... + 1654870.

It is an arithmetic number, because the mean of its divisors is an integer number (162134973000).

Almost surely, 2^{1232203211989} is an apocalyptic number.

1232203211989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1232203211989 is a deficient number, since it is larger than the sum of its proper divisors (64876572011).

1232203211989 is a wasteful number, since it uses less digits than its factorization.

1232203211989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188587.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1232203211989 in words is "one trillion, two hundred thirty-two billion, two hundred three million, two hundred eleven thousand, nine hundred eighty-nine".