2141212399 has 2 divisors, whose sum is σ = 2141212400. Its totient is φ = 2141212398.

The previous prime is 2141212387. The next prime is 2141212433. The reversal of 2141212399 is 9932121412.

It is an a-pointer prime, because the next prime (2141212433) can be obtained adding 2141212399 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141212399 - 2²⁵ = 2107657967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141212309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070606199 + 1070606200.

It is an arithmetic number, because the mean of its divisors is an integer number (1070606200).

Almost surely, 2^2141212399 is an apocalyptic number.

2141212399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141212399 is an equidigital number, since it uses as much as digits as its factorization.

2141212399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 2141212399 is about 46273.2363143102. The cubic root of 2141212399 is about 1288.9020561892.

The spelling of 2141212399 in words is "two billion, one hundred forty-one million, two hundred twelve thousand, three hundred ninety-nine".