1220112007 has 2 divisors, whose sum is σ = 1220112008. Its totient is φ = 1220112006.

The previous prime is 1220111939. The next prime is 1220112013. The reversal of 1220112007 is 7002110221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220112007 - 2²⁷ = 1085894279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220112077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056003 + 610056004.

It is an arithmetic number, because the mean of its divisors is an integer number (610056004).

Almost surely, 2^1220112007 is an apocalyptic number.

1220112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112007 is an equidigital number, since it uses as much as digits as its factorization.

1220112007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1220112007 is about 34930.1017318874. The cubic root of 1220112007 is about 1068.5624293694.

Adding to 1220112007 its reverse (7002110221), we get a palindrome (8222222228).

The spelling of 1220112007 in words is "one billion, two hundred twenty million, one hundred twelve thousand, seven".