40122323012 has 24 divisors (see below), whose sum is σ = 71305608696. Its totient is φ = 19751436288.

The previous prime is 40122322969. The next prime is 40122323069. The reversal of 40122323012 is 21032322104.

It can be written as a sum of positive squares in 4 ways, for example, as 809743936 + 39312579076 = 28456^2 + 198274^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193013 + ... + 342780.

It is an arithmetic number, because the mean of its divisors is an integer number (2971067029).

Almost surely, 2^40122323012 is an apocalyptic number.

It is an amenable number.

40122323012 is a deficient number, since it is larger than the sum of its proper divisors (31183285684).

40122323012 is a wasteful number, since it uses less digits than its factorization.

40122323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536087 (or 536085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40122323012 its reverse (21032322104), we get a palindrome (61154645116).

The spelling of 40122323012 in words is "forty billion, one hundred twenty-two million, three hundred twenty-three thousand, twelve".