401011021112312 has 16 divisors (see below), whose sum is σ = 809733792630840. Its totient is φ = 185082009744096.

The previous prime is 401011021112311. The next prime is 401011021112363. The reversal of 401011021112312 is 213211120110104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401011021112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927937601398 + ... + 1927937601605.

Almost surely, 2^{401011021112312} is an apocalyptic number.

It is an amenable number.

401011021112312 is an abundant number, since it is smaller than the sum of its proper divisors (408722771518528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401011021112312 is a wasteful number, since it uses less digits than its factorization.

401011021112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855875203022 (or 3855875203018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 401011021112312 its reverse (213211120110104), we get a palindrome (614222141222416).

The spelling of 401011021112312 in words is "four hundred one trillion, eleven billion, twenty-one million, one hundred twelve thousand, three hundred twelve".