201213331042345 has 24 divisors (see below), whose sum is σ = 247494945456000. Its totient is φ = 157040655408000.

The previous prime is 201213331042343. The next prime is 201213331042357. The reversal of 201213331042345 is 543240133312102.

It is not a de Polignac number, because 201213331042345 - 2¹ = 201213331042343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201213331042345.

It is not an unprimeable number, because it can be changed into a prime (201213331042343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365333920 + ... + 365884270.

It is an arithmetic number, because the mean of its divisors is an integer number (10312289394000).

Almost surely, 2^{201213331042345} is an apocalyptic number.

It is an amenable number.

201213331042345 is a deficient number, since it is larger than the sum of its proper divisors (46281614413655).

201213331042345 is an equidigital number, since it uses as much as digits as its factorization.

201213331042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593937 (or 593896 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 201213331042345 its reverse (543240133312102), we get a palindrome (744453464354447).

The spelling of 201213331042345 in words is "two hundred one trillion, two hundred thirteen billion, three hundred thirty-one million, forty-two thousand, three hundred forty-five".