3564251212021 has 8 divisors (see below), whose sum is σ = 3612155811264. Its totient is φ = 3516464751360.

The previous prime is 3564251212001. The next prime is 3564251212073. The reversal of 3564251212021 is 1202121524653.

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 3564251212021 - 2¹⁹ = 3564250687733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564251212001) 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, 29473900 + ... + 29594581.

It is an arithmetic number, because the mean of its divisors is an integer number (451519476408).

Almost surely, 2^{3564251212021} is an apocalyptic number.

It is an amenable number.

3564251212021 is a deficient number, since it is larger than the sum of its proper divisors (47904599243).

3564251212021 is an equidigital number, since it uses as much as digits as its factorization.

3564251212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069291.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 3564251212021 its reverse (1202121524653), we get a palindrome (4766372736674).

The spelling of 3564251212021 in words is "three trillion, five hundred sixty-four billion, two hundred fifty-one million, two hundred twelve thousand, twenty-one".