401134521212 has 6 divisors (see below), whose sum is σ = 701985412128. Its totient is φ = 200567260604.

The previous prime is 401134521197. The next prime is 401134521247. The reversal of 401134521212 is 212125431104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50141815148 + ... + 50141815155.

It is an arithmetic number, because the mean of its divisors is an integer number (116997568688).

Almost surely, 2^401134521212 is an apocalyptic number.

It is an amenable number.

401134521212 is a deficient number, since it is larger than the sum of its proper divisors (300850890916).

401134521212 is a wasteful number, since it uses less digits than its factorization.

401134521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100283630307 (or 100283630305 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 401134521212 its reverse (212125431104), we get a palindrome (613259952316).

The spelling of 401134521212 in words is "four hundred one billion, one hundred thirty-four million, five hundred twenty-one thousand, two hundred twelve".