2012310323430 has 128 divisors (see below), whose sum is σ = 5412371083776. Its totient is φ = 478627909760.

The previous prime is 2012310323399. The next prime is 2012310323473. The reversal of 2012310323430 is 343230132102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012310323430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1640857 + ... + 2591723.

It is an arithmetic number, because the mean of its divisors is an integer number (42284149092).

Almost surely, 2^{2012310323430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012310323430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706185541888).

2012310323430 is an abundant number, since it is smaller than the sum of its proper divisors (3400060760346).

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

2012310323430 is a wasteful number, since it uses less digits than its factorization.

2012310323430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950963 (or 950941 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2012310323430 its reverse (343230132102), we get a palindrome (2355540455532).

The spelling of 2012310323430 in words is "two trillion, twelve billion, three hundred ten million, three hundred twenty-three thousand, four hundred thirty".