401011230212 has 6 divisors (see below), whose sum is σ = 701769652878. Its totient is φ = 200505615104.

The previous prime is 401011230211. The next prime is 401011230251. The reversal of 401011230212 is 212032110104.

It can be written as a sum of positive squares in only one way, i.e., 315053199616 + 85958030596 = 561296^2 + 293186^2 .

It is a super-2 number, since 2×401011230212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401011230211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50126403773 + ... + 50126403780.

It is an arithmetic number, because the mean of its divisors is an integer number (116961608813).

Almost surely, 2^401011230212 is an apocalyptic number.

It is an amenable number.

401011230212 is a deficient number, since it is larger than the sum of its proper divisors (300758422666).

401011230212 is a wasteful number, since it uses less digits than its factorization.

401011230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100252807557 (or 100252807555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 401011230212 its reverse (212032110104), we get a palindrome (613043340316).

The spelling of 401011230212 in words is "four hundred one billion, eleven million, two hundred thirty thousand, two hundred twelve".