2141212147 has 2 divisors, whose sum is σ = 2141212148. Its totient is φ = 2141212146.

The previous prime is 2141212127. The next prime is 2141212193. The reversal of 2141212147 is 7412121412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141212147 - 2²⁷ = 2006994419 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2141212127) 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, 1070606073 + 1070606074.

It is an arithmetic number, because the mean of its divisors is an integer number (1070606074).

Almost surely, 2^2141212147 is an apocalyptic number.

2141212147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141212147 is an equidigital number, since it uses as much as digits as its factorization.

2141212147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 2141212147 is about 46273.2335913539. The cubic root of 2141212147 is about 1288.9020056255.

Adding to 2141212147 its reverse (7412121412), we get a palindrome (9553333559).

The spelling of 2141212147 in words is "two billion, one hundred forty-one million, two hundred twelve thousand, one hundred forty-seven".