1212100102019 has 2 divisors, whose sum is σ = 1212100102020. Its totient is φ = 1212100102018.

The previous prime is 1212100101997. The next prime is 1212100102027. The reversal of 1212100102019 is 9102010012121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212100102019 is a prime.

It is a super-2 number, since 2×1212100102019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212100102039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606050051009 + 606050051010.

It is an arithmetic number, because the mean of its divisors is an integer number (606050051010).

Almost surely, 2^{1212100102019} is an apocalyptic number.

1212100102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212100102019 is an equidigital number, since it uses as much as digits as its factorization.

1212100102019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1212100102019 in words is "one trillion, two hundred twelve billion, one hundred million, one hundred two thousand, nineteen".