12212003131 has 2 divisors, whose sum is σ = 12212003132. Its totient is φ = 12212003130.

The previous prime is 12212003117. The next prime is 12212003173. The reversal of 12212003131 is 13130021221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212003131 - 2¹³ = 12211994939 is a prime.

It is a super-2 number, since 2×12212003131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12212003731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106001565 + 6106001566.

It is an arithmetic number, because the mean of its divisors is an integer number (6106001566).

Almost surely, 2^12212003131 is an apocalyptic number.

12212003131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212003131 is an equidigital number, since it uses as much as digits as its factorization.

12212003131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12212003131 its reverse (13130021221), we get a palindrome (25342024352).

The spelling of 12212003131 in words is "twelve billion, two hundred twelve million, three thousand, one hundred thirty-one".