20212312331358 has 96 divisors (see below), whose sum is σ = 50248682976960. Its totient is φ = 5751971758080.

The previous prime is 20212312331269. The next prime is 20212312331359. The reversal of 20212312331358 is 85313321321202.

20212312331358 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 2 + 312 + 331 + 3 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212312331359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525508248 + ... + 525546708.

It is an arithmetic number, because the mean of its divisors is an integer number (523423781010).

Almost surely, 2^{20212312331358} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212312331358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25124341488480).

20212312331358 is an abundant number, since it is smaller than the sum of its proper divisors (30036370645602).

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

20212312331358 is a wasteful number, since it uses less digits than its factorization.

20212312331358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54962 (or 54959 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20212312331358 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred fifty-eight".