1231210233330 has 384 divisors, whose sum is σ = 3890395754496. Its totient is φ = 241783872000.

The previous prime is 1231210233251. The next prime is 1231210233349. The reversal of 1231210233330 is 333320121321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231210233330.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2570376031 + ... + 2570376509.

It is an arithmetic number, because the mean of its divisors is an integer number (10131238944).

Almost surely, 2^{1231210233330} is an apocalyptic number.

1231210233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231210233330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945197877248).

1231210233330 is an abundant number, since it is smaller than the sum of its proper divisors (2659185521166).

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

1231210233330 is a wasteful number, since it uses less digits than its factorization.

1231210233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1231210233330 its reverse (333320121321), we get a palindrome (1564530354651).

The spelling of 1231210233330 in words is "one trillion, two hundred thirty-one billion, two hundred ten million, two hundred thirty-three thousand, three hundred thirty".