40212200123 has 2 divisors, whose sum is σ = 40212200124. Its totient is φ = 40212200122.

The previous prime is 40212200101. The next prime is 40212200143. The reversal of 40212200123 is 32100221204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40212200123 - 2⁶ = 40212200059 is a prime.

It is not a weakly prime, because it can be changed into another prime (40212200143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106100061 + 20106100062.

It is an arithmetic number, because the mean of its divisors is an integer number (20106100062).

Almost surely, 2^40212200123 is an apocalyptic number.

40212200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40212200123 is an equidigital number, since it uses as much as digits as its factorization.

40212200123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40212200123 its reverse (32100221204), we get a palindrome (72312421327).

The spelling of 40212200123 in words is "forty billion, two hundred twelve million, two hundred thousand, one hundred twenty-three".