1220213220167 has 2 divisors, whose sum is σ = 1220213220168. Its totient is φ = 1220213220166.

The previous prime is 1220213220157. The next prime is 1220213220229. The reversal of 1220213220167 is 7610223120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220213220167 - 2²⁸ = 1219944784711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220213220157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610106610083 + 610106610084.

It is an arithmetic number, because the mean of its divisors is an integer number (610106610084).

Almost surely, 2^{1220213220167} is an apocalyptic number.

1220213220167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220213220167 is an equidigital number, since it uses as much as digits as its factorization.

1220213220167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 1220213220167 its reverse (7610223120221), we get a palindrome (8830436340388).

The spelling of 1220213220167 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, two hundred twenty thousand, one hundred sixty-seven".