201213540135344 has 20 divisors (see below), whose sum is σ = 425292255286440. Its totient is φ = 91460700061440.

The previous prime is 201213540135341. The next prime is 201213540135371. The reversal of 201213540135344 is 443531045312102.

It is a junction number, because it is equal to n+sod(n) for n = 201213540135298 and 201213540135307.

It is not an unprimeable number, because it can be changed into a prime (201213540135341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571629375209 + ... + 571629375560.

It is an arithmetic number, because the mean of its divisors is an integer number (21264612764322).

Almost surely, 2^{201213540135344} is an apocalyptic number.

It is an amenable number.

201213540135344 is an abundant number, since it is smaller than the sum of its proper divisors (224078715151096).

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

201213540135344 is a wasteful number, since it uses less digits than its factorization.

201213540135344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143258750788 (or 1143258750782 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 201213540135344 its reverse (443531045312102), we get a palindrome (644744585447446).

The spelling of 201213540135344 in words is "two hundred one trillion, two hundred thirteen billion, five hundred forty million, one hundred thirty-five thousand, three hundred forty-four".