201212444311 has 8 divisors (see below), whose sum is σ = 204251935104. Its totient is φ = 198187602360.

The previous prime is 201212444281. The next prime is 201212444317. The reversal of 201212444311 is 113444212102.

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 201212444311 - 2²¹ = 201210347159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212444317) 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, 3634531 + ... + 3689476.

It is an arithmetic number, because the mean of its divisors is an integer number (25531491888).

Almost surely, 2^201212444311 is an apocalyptic number.

201212444311 is a deficient number, since it is larger than the sum of its proper divisors (3039490793).

201212444311 is an equidigital number, since it uses as much as digits as its factorization.

201212444311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324421.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 201212444311 its reverse (113444212102), we get a palindrome (314656656413).

The spelling of 201212444311 in words is "two hundred one billion, two hundred twelve million, four hundred forty-four thousand, three hundred eleven".