122215000451 has 2 divisors, whose sum is σ = 122215000452. Its totient is φ = 122215000450.

The previous prime is 122215000357. The next prime is 122215000489. The reversal of 122215000451 is 154000512221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122215000451 is a prime.

It is not a weakly prime, because it can be changed into another prime (122215003451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61107500225 + 61107500226.

It is an arithmetic number, because the mean of its divisors is an integer number (61107500226).

Almost surely, 2^122215000451 is an apocalyptic number.

122215000451 is a deficient number, since it is larger than the sum of its proper divisors (1).

122215000451 is an equidigital number, since it uses as much as digits as its factorization.

122215000451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 122215000451 its reverse (154000512221), we get a palindrome (276215512672).

The spelling of 122215000451 in words is "one hundred twenty-two billion, two hundred fifteen million, four hundred fifty-one", and thus it is an aban number.