40212020123001 has 12 divisors (see below), whose sum is σ = 58084093989012. Its totient is φ = 26807983451136.

The previous prime is 40212020122993. The next prime is 40212020123017. The reversal of 40212020123001 is 10032102021204.

It is a happy number.

40212020123001 is a `hidden beast` number, since 40 + 2 + 120 + 201 + 2 + 300 + 1 = 666.

40212020123001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2767901017401 + 37444119105600 = 1663701^2 + 6119160^2 .

It is not a de Polignac number, because 40212020123001 - 2³ = 40212020122993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40212020127001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8596105 + ... + 12422441.

It is an arithmetic number, because the mean of its divisors is an integer number (4840341165751).

Almost surely, 2^{40212020123001} is an apocalyptic number.

It is an amenable number.

40212020123001 is a deficient number, since it is larger than the sum of its proper divisors (17872073866011).

40212020123001 is a wasteful number, since it uses less digits than its factorization.

40212020123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994040 (or 4994037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40212020123001 its reverse (10032102021204), we get a palindrome (50244122144205).

The spelling of 40212020123001 in words is "forty trillion, two hundred twelve billion, twenty million, one hundred twenty-three thousand, one".