1211302232000 has 224 divisors, whose sum is σ = 3430360627200. Its totient is φ = 415057843200.

The previous prime is 1211302231981. The next prime is 1211302232003. The reversal of 1211302232000 is 2322031121.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 1211302232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211302232003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112162601 + ... + 112173399.

Almost surely, 2^{1211302232000} is an apocalyptic number.

1211302232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211302232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715180313600).

1211302232000 is an abundant number, since it is smaller than the sum of its proper divisors (2219058395200).

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

1211302232000 is a wasteful number, since it uses less digits than its factorization.

1211302232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836 (or 12816 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1211302232000 its reverse (2322031121), we get a palindrome (1213624263121).

The spelling of 1211302232000 in words is "one trillion, two hundred eleven billion, three hundred two million, two hundred thirty-two thousand".