122232011987 has 2 divisors, whose sum is σ = 122232011988. Its totient is φ = 122232011986.

The previous prime is 122232011971. The next prime is 122232012013. The reversal of 122232011987 is 789110232221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122232011987 - 2⁴ = 122232011971 is a prime.

It is a super-2 number, since 2×122232011987² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122232011987.

It is not a weakly prime, because it can be changed into another prime (122232011917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61116005993 + 61116005994.

It is an arithmetic number, because the mean of its divisors is an integer number (61116005994).

Almost surely, 2^122232011987 is an apocalyptic number.

122232011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

122232011987 is an equidigital number, since it uses as much as digits as its factorization.

122232011987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 122232011987 in words is "one hundred twenty-two billion, two hundred thirty-two million, eleven thousand, nine hundred eighty-seven".