10212152546549 has 2 divisors, whose sum is σ = 10212152546550. Its totient is φ = 10212152546548.

The previous prime is 10212152546527. The next prime is 10212152546551. The reversal of 10212152546549 is 94564525121201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10208938790449 + 3213756100 = 3195143^2 + 56690^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212152546549 - 2²⁴ = 10212135769333 is a prime.

It is a super-2 number, since 2×10212152546549² (a number of 27 digits) contains 22 as substring.

Together with 10212152546551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212152546579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106076273274 + 5106076273275.

It is an arithmetic number, because the mean of its divisors is an integer number (5106076273275).

Almost surely, 2^{10212152546549} is an apocalyptic number.

It is an amenable number.

10212152546549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212152546549 is an equidigital number, since it uses as much as digits as its factorization.

10212152546549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 10212152546549 in words is "ten trillion, two hundred twelve billion, one hundred fifty-two million, five hundred forty-six thousand, five hundred forty-nine".