212021225220541 has 8 divisors (see below), whose sum is σ = 231296051932704. Its totient is φ = 192746426820720.

The previous prime is 212021225220487. The next prime is 212021225220643. The reversal of 212021225220541 is 145022522120212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021225220541 - 2⁹ = 212021225220029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021225220941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471990 + ... + 23102056.

It is an arithmetic number, because the mean of its divisors is an integer number (28912006491588).

Almost surely, 2^{212021225220541} is an apocalyptic number.

It is an amenable number.

212021225220541 is a deficient number, since it is larger than the sum of its proper divisors (19274826712163).

212021225220541 is a wasteful number, since it uses less digits than its factorization.

212021225220541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156171.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 212021225220541 its reverse (145022522120212), we get a palindrome (357043747340753).

The spelling of 212021225220541 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-five million, two hundred twenty thousand, five hundred forty-one".