1020212120099 has 2 divisors, whose sum is σ = 1020212120100. Its totient is φ = 1020212120098.

The previous prime is 1020212120093. The next prime is 1020212120171. The reversal of 1020212120099 is 9900212120201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020212120099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020212120093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510106060049 + 510106060050.

It is an arithmetic number, because the mean of its divisors is an integer number (510106060050).

Almost surely, 2^{1020212120099} is an apocalyptic number.

1020212120099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212120099 is an equidigital number, since it uses as much as digits as its factorization.

1020212120099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 1020212120099 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, ninety-nine".