401212011 has 8 divisors (see below), whose sum is σ = 537349120. Its totient is φ = 266274792.

The previous prime is 401212003. The next prime is 401212039. The reversal of 401212011 is 110212104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401212011 - 2³ = 401212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401212111) 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, 299191 + ... + 300528.

It is an arithmetic number, because the mean of its divisors is an integer number (67168640).

Almost surely, 2^401212011 is an apocalyptic number.

401212011 is a deficient number, since it is larger than the sum of its proper divisors (136137109).

401212011 is a wasteful number, since it uses less digits than its factorization.

401212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599945.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 401212011 is about 20030.2773570413. The cubic root of 401212011 is about 737.5497304778.

Adding to 401212011 its reverse (110212104), we get a palindrome (511424115).

The spelling of 401212011 in words is "four hundred one million, two hundred twelve thousand, eleven".