12220000136467 has 2 divisors, whose sum is σ = 12220000136468. Its totient is φ = 12220000136466.

The previous prime is 12220000136431. The next prime is 12220000136489. The reversal of 12220000136467 is 76463100002221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220000136467 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220000136567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110000068233 + 6110000068234.

It is an arithmetic number, because the mean of its divisors is an integer number (6110000068234).

Almost surely, 2^{12220000136467} is an apocalyptic number.

12220000136467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220000136467 is an equidigital number, since it uses as much as digits as its factorization.

12220000136467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 12220000136467 its reverse (76463100002221), we get a palindrome (88683100138688).

The spelling of 12220000136467 in words is "twelve trillion, two hundred twenty billion, one hundred thirty-six thousand, four hundred sixty-seven".