201622343412 has 192 divisors, whose sum is σ = 577303179264. Its totient is φ = 53516221440.

The previous prime is 201622343353. The next prime is 201622343413. The reversal of 201622343412 is 214343226102.

It is a self number, because there is not a number n which added to its sum of digits gives 201622343412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201622343413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17975518 + ... + 17986730.

It is an arithmetic number, because the mean of its divisors is an integer number (3006787392).

Almost surely, 2^201622343412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201622343412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288651589632).

201622343412 is an abundant number, since it is smaller than the sum of its proper divisors (375680835852).

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

201622343412 is a wasteful number, since it uses less digits than its factorization.

201622343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 201622343412 its reverse (214343226102), we get a palindrome (415965569514).

The spelling of 201622343412 in words is "two hundred one billion, six hundred twenty-two million, three hundred forty-three thousand, four hundred twelve".