20120002313012 has 192 divisors, whose sum is σ = 42827850842112. Its totient is φ = 8091163008000.

The previous prime is 20120002312999. The next prime is 20120002313017. The reversal of 20120002313012 is 21031320002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120002313017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4894184837 + ... + 4894188947.

It is an arithmetic number, because the mean of its divisors is an integer number (223061723136).

Almost surely, 2^{20120002313012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120002313012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21413925421056).

20120002313012 is an abundant number, since it is smaller than the sum of its proper divisors (22707848529100).

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

20120002313012 is a wasteful number, since it uses less digits than its factorization.

20120002313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5756 counting only the distinct ones).

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

Adding to 20120002313012 its reverse (21031320002102), we get a palindrome (41151322315114).

The spelling of 20120002313012 in words is "twenty trillion, one hundred twenty billion, two million, three hundred thirteen thousand, twelve".