1012021219619 has 2 divisors, whose sum is σ = 1012021219620. Its totient is φ = 1012021219618.

The previous prime is 1012021219603. The next prime is 1012021219697. The reversal of 1012021219619 is 9169121202101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012021219619 - 2⁴ = 1012021219603 is a prime.

It is a super-2 number, since 2×1012021219619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012021219019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010609809 + 506010609810.

It is an arithmetic number, because the mean of its divisors is an integer number (506010609810).

Almost surely, 2^{1012021219619} is an apocalyptic number.

1012021219619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012021219619 is an equidigital number, since it uses as much as digits as its factorization.

1012021219619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 1012021219619 in words is "one trillion, twelve billion, twenty-one million, two hundred nineteen thousand, six hundred nineteen".