201001212223 has 8 divisors (see below), whose sum is σ = 243228357792. Its totient is φ = 162152238336.

The previous prime is 201001212143. The next prime is 201001212227. The reversal of 201001212223 is 322212100102.

It is a happy number.

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 201001212223 - 2²¹ = 200999115071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201001212197 and 201001212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001212227) 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, 844542790 + ... + 844543027.

It is an arithmetic number, because the mean of its divisors is an integer number (30403544724).

Almost surely, 2^201001212223 is an apocalyptic number.

201001212223 is a deficient number, since it is larger than the sum of its proper divisors (42227145569).

201001212223 is a wasteful number, since it uses less digits than its factorization.

201001212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689085841.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201001212223 its reverse (322212100102), we get a palindrome (523213312325).

The spelling of 201001212223 in words is "two hundred one billion, one million, two hundred twelve thousand, two hundred twenty-three".