12201220021031 has 2 divisors, whose sum is σ = 12201220021032. Its totient is φ = 12201220021030.

The previous prime is 12201220020989. The next prime is 12201220021033. The reversal of 12201220021031 is 13012002210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201220021031 - 2⁶ = 12201220020967 is a prime.

It is a super-2 number, since 2×12201220021031² (a number of 27 digits) contains 22 as substring.

Together with 12201220021033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201220021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100610010515 + 6100610010516.

It is an arithmetic number, because the mean of its divisors is an integer number (6100610010516).

Almost surely, 2^{12201220021031} is an apocalyptic number.

12201220021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201220021031 is an equidigital number, since it uses as much as digits as its factorization.

12201220021031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12201220021031 its reverse (13012002210221), we get a palindrome (25213222231252).

The spelling of 12201220021031 in words is "twelve trillion, two hundred one billion, two hundred twenty million, twenty-one thousand, thirty-one".