12010222381 has 2 divisors, whose sum is σ = 12010222382. Its totient is φ = 12010222380.

The previous prime is 12010222243. The next prime is 12010222439. The reversal of 12010222381 is 18322201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7401849156 + 4608373225 = 86034^2 + 67885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010222381 is a prime.

It is a super-2 number, since 2×12010222381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010222481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005111190 + 6005111191.

It is an arithmetic number, because the mean of its divisors is an integer number (6005111191).

Almost surely, 2^12010222381 is an apocalyptic number.

It is an amenable number.

12010222381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010222381 is an equidigital number, since it uses as much as digits as its factorization.

12010222381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 12010222381 in words is "twelve billion, ten million, two hundred twenty-two thousand, three hundred eighty-one".