201340442103212 has 24 divisors (see below), whose sum is σ = 385936547240160. Its totient is φ = 91481255640320.

The previous prime is 201340442103149. The next prime is 201340442103271. The reversal of 201340442103212 is 212301244043102.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51049805864 + ... + 51049809807.

It is an arithmetic number, because the mean of its divisors is an integer number (16080689468340).

Almost surely, 2^{201340442103212} is an apocalyptic number.

It is an amenable number.

201340442103212 is a deficient number, since it is larger than the sum of its proper divisors (184596105136948).

201340442103212 is a wasteful number, since it uses less digits than its factorization.

201340442103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102099615721 (or 102099615719 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 201340442103212 its reverse (212301244043102), we get a palindrome (413641686146314).

The spelling of 201340442103212 in words is "two hundred one trillion, three hundred forty billion, four hundred forty-two million, one hundred three thousand, two hundred twelve".