401351315012 has 6 divisors (see below), whose sum is σ = 702364801278. Its totient is φ = 200675657504.

The previous prime is 401351314963. The next prime is 401351315017. The reversal of 401351315012 is 210513153104.

It can be written as a sum of positive squares in only one way, i.e., 241971512836 + 159379802176 = 491906^2 + 399224^2 .

It is a super-2 number, since 2×401351315012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401351315017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50168914373 + ... + 50168914380.

It is an arithmetic number, because the mean of its divisors is an integer number (117060800213).

Almost surely, 2^401351315012 is an apocalyptic number.

It is an amenable number.

401351315012 is a deficient number, since it is larger than the sum of its proper divisors (301013486266).

401351315012 is a wasteful number, since it uses less digits than its factorization.

401351315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100337828757 (or 100337828755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 401351315012 its reverse (210513153104), we get a palindrome (611864468116).

The spelling of 401351315012 in words is "four hundred one billion, three hundred fifty-one million, three hundred fifteen thousand, twelve".