212241551519 has 2 divisors, whose sum is σ = 212241551520. Its totient is φ = 212241551518.

The previous prime is 212241551317. The next prime is 212241551537. The reversal of 212241551519 is 915155142212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212241551519 - 2¹² = 212241547423 is a prime.

It is a super-2 number, since 2×212241551519² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212241551549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106120775759 + 106120775760.

It is an arithmetic number, because the mean of its divisors is an integer number (106120775760).

Almost surely, 2^212241551519 is an apocalyptic number.

212241551519 is a deficient number, since it is larger than the sum of its proper divisors (1).

212241551519 is an equidigital number, since it uses as much as digits as its factorization.

212241551519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 38.

The spelling of 212241551519 in words is "two hundred twelve billion, two hundred forty-one million, five hundred fifty-one thousand, five hundred nineteen".