1020120715219 has 2 divisors, whose sum is σ = 1020120715220. Its totient is φ = 1020120715218.

The previous prime is 1020120715169. The next prime is 1020120715261. The reversal of 1020120715219 is 9125170210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020120715219 - 2⁹ = 1020120714707 is a prime.

It is a super-2 number, since 2×1020120715219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020120725219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060357609 + 510060357610.

It is an arithmetic number, because the mean of its divisors is an integer number (510060357610).

Almost surely, 2^{1020120715219} is an apocalyptic number.

1020120715219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020120715219 is an equidigital number, since it uses as much as digits as its factorization.

1020120715219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 1020120715219 in words is "one trillion, twenty billion, one hundred twenty million, seven hundred fifteen thousand, two hundred nineteen".