1202021200019 has 2 divisors, whose sum is σ = 1202021200020. Its totient is φ = 1202021200018.

The previous prime is 1202021200001. The next prime is 1202021200033. The reversal of 1202021200019 is 9100021202021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202021200019 - 2¹² = 1202021195923 is a prime.

It is a super-2 number, since 2×1202021200019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1202021200069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010600009 + 601010600010.

It is an arithmetic number, because the mean of its divisors is an integer number (601010600010).

Almost surely, 2^{1202021200019} is an apocalyptic number.

1202021200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202021200019 is an equidigital number, since it uses as much as digits as its factorization.

1202021200019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1202021200019 in words is "one trillion, two hundred two billion, twenty-one million, two hundred thousand, nineteen".