20032313212212 has 96 divisors (see below), whose sum is σ = 54239092389888. Its totient is φ = 5635775021184.

The previous prime is 20032313212211. The next prime is 20032313212253. The reversal of 20032313212212 is 21221231323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032313212211) 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, 12985153 + ... + 14445719.

It is an arithmetic number, because the mean of its divisors is an integer number (564990545728).

Almost surely, 2^{20032313212212} 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 20032313212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27119546194944).

20032313212212 is an abundant number, since it is smaller than the sum of its proper divisors (34206779177676).

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

20032313212212 is a wasteful number, since it uses less digits than its factorization.

20032313212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463085 (or 1463083 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20032313212212 its reverse (21221231323002), we get a palindrome (41253544535214).

The spelling of 20032313212212 in words is "twenty trillion, thirty-two billion, three hundred thirteen million, two hundred twelve thousand, two hundred twelve".