35512144221 has 8 divisors (see below), whose sum is σ = 48242913120. Its totient is φ = 23228069072.

The previous prime is 35512144189. The next prime is 35512144229. The reversal of 35512144221 is 12244121553.

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 35512144221 - 2⁵ = 35512144189 is a prime.

It is a super-2 number, since 2×35512144221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35512144229) 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, 111673251 + ... + 111673568.

It is an arithmetic number, because the mean of its divisors is an integer number (6030364140).

Almost surely, 2^35512144221 is an apocalyptic number.

It is an amenable number.

35512144221 is a deficient number, since it is larger than the sum of its proper divisors (12730768899).

35512144221 is a wasteful number, since it uses less digits than its factorization.

35512144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223346875.

The product of its digits is 9600, while the sum is 30.

Adding to 35512144221 its reverse (12244121553), we get a palindrome (47756265774).

The spelling of 35512144221 in words is "thirty-five billion, five hundred twelve million, one hundred forty-four thousand, two hundred twenty-one".