40121225122 has 32 divisors (see below), whose sum is σ = 70654477824. Its totient is φ = 16882771200.

The previous prime is 40121225107. The next prime is 40121225141. The reversal of 40121225122 is 22152212104.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40121225093 and 40121225102.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 856498 + ... + 902125.

It is an arithmetic number, because the mean of its divisors is an integer number (2207952432).

Almost surely, 2^40121225122 is an apocalyptic number.

40121225122 is a deficient number, since it is larger than the sum of its proper divisors (30533252702).

40121225122 is a wasteful number, since it uses less digits than its factorization.

40121225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758714.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 40121225122 its reverse (22152212104), we get a palindrome (62273437226).

The spelling of 40121225122 in words is "forty billion, one hundred twenty-one million, two hundred twenty-five thousand, one hundred twenty-two".