10212124999 has 2 divisors, whose sum is σ = 10212125000. Its totient is φ = 10212124998.

The previous prime is 10212124987. The next prime is 10212125003. The reversal of 10212124999 is 99942121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212124999 - 2²⁷ = 10077907271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212124099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106062499 + 5106062500.

It is an arithmetic number, because the mean of its divisors is an integer number (5106062500).

Almost surely, 2^10212124999 is an apocalyptic number.

10212124999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212124999 is an equidigital number, since it uses as much as digits as its factorization.

10212124999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 10212124999 in words is "ten billion, two hundred twelve million, one hundred twenty-four thousand, nine hundred ninety-nine".