1213002020071 has 2 divisors, whose sum is σ = 1213002020072. Its totient is φ = 1213002020070.

The previous prime is 1213002020053. The next prime is 1213002020099. The reversal of 1213002020071 is 1700202003121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213002020071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213002020471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606501010035 + 606501010036.

It is an arithmetic number, because the mean of its divisors is an integer number (606501010036).

Almost surely, 2^{1213002020071} is an apocalyptic number.

1213002020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213002020071 is an equidigital number, since it uses as much as digits as its factorization.

1213002020071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1213002020071 its reverse (1700202003121), we get a palindrome (2913204023192).

The spelling of 1213002020071 in words is "one trillion, two hundred thirteen billion, two million, twenty thousand, seventy-one".