212141133441220 has 96 divisors (see below), whose sum is σ = 459118101391488. Its totient is φ = 82277964905472.

The previous prime is 212141133441203. The next prime is 212141133441227. The reversal of 212141133441220 is 22144331141212.

It is not an unprimeable number, because it can be changed into a prime (212141133441227) 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, 449899699 + ... + 450370981.

It is an arithmetic number, because the mean of its divisors is an integer number (4782480222828).

Almost surely, 2^{212141133441220} is an apocalyptic number.

212141133441220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212141133441220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229559050695744).

212141133441220 is an abundant number, since it is smaller than the sum of its proper divisors (246976967950268).

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

212141133441220 is a wasteful number, since it uses less digits than its factorization.

212141133441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473429 (or 473427 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 212141133441220 its reverse (22144331141212), we get a palindrome (234285464582432).

The spelling of 212141133441220 in words is "two hundred twelve trillion, one hundred forty-one billion, one hundred thirty-three million, four hundred forty-one thousand, two hundred twenty".