40121142201 has 36 divisors (see below), whose sum is σ = 69236626368. Its totient is φ = 21929550192.

The previous prime is 40121142167. The next prime is 40121142203. The reversal of 40121142201 is 10224112104.

40121142201 is a `hidden beast` number, since 401 + 21 + 1 + 42 + 201 = 666.

40121142201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40121142201 - 2⁶ = 40121142137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40121142203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 568605 + ... + 635258.

Almost surely, 2^40121142201 is an apocalyptic number.

It is an amenable number.

40121142201 is a deficient number, since it is larger than the sum of its proper divisors (29115484167).

40121142201 is a wasteful number, since it uses less digits than its factorization.

40121142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203922 (or 1203896 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 40121142201 its reverse (10224112104), we get a palindrome (50345254305).

The spelling of 40121142201 in words is "forty billion, one hundred twenty-one million, one hundred forty-two thousand, two hundred one".