122205214451 has 2 divisors, whose sum is σ = 122205214452. Its totient is φ = 122205214450.

The previous prime is 122205214403. The next prime is 122205214463. The reversal of 122205214451 is 154412502221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122205214451 - 2²⁶ = 122138105587 is a prime.

It is a super-2 number, since 2×122205214451² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122205214151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61102607225 + 61102607226.

It is an arithmetic number, because the mean of its divisors is an integer number (61102607226).

Almost surely, 2^122205214451 is an apocalyptic number.

122205214451 is a deficient number, since it is larger than the sum of its proper divisors (1).

122205214451 is an equidigital number, since it uses as much as digits as its factorization.

122205214451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 122205214451 its reverse (154412502221), we get a palindrome (276617716672).

The spelling of 122205214451 in words is "one hundred twenty-two billion, two hundred five million, two hundred fourteen thousand, four hundred fifty-one".