401122031312 has 20 divisors (see below), whose sum is σ = 777419276580. Its totient is φ = 200497701888.

The previous prime is 401122031267. The next prime is 401122031327. The reversal of 401122031312 is 213130221104.

It can be written as a sum of positive squares in 2 ways, for example, as 166036690576 + 235085340736 = 407476^2 + 484856^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904823 + ... + 4006230.

It is an arithmetic number, because the mean of its divisors is an integer number (38870963829).

Almost surely, 2^401122031312 is an apocalyptic number.

It is an amenable number.

401122031312 is a deficient number, since it is larger than the sum of its proper divisors (376297245268).

401122031312 is a wasteful number, since it uses less digits than its factorization.

401122031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914230 (or 7914224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 401122031312 its reverse (213130221104), we get a palindrome (614252252416).

The spelling of 401122031312 in words is "four hundred one billion, one hundred twenty-two million, thirty-one thousand, three hundred twelve".