1212020199763 has 2 divisors, whose sum is σ = 1212020199764. Its totient is φ = 1212020199762.

The previous prime is 1212020199757. The next prime is 1212020199787. The reversal of 1212020199763 is 3679910202121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212020199763 - 2⁹ = 1212020199251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212020199703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606010099881 + 606010099882.

It is an arithmetic number, because the mean of its divisors is an integer number (606010099882).

Almost surely, 2^{1212020199763} is an apocalyptic number.

1212020199763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212020199763 is an equidigital number, since it uses as much as digits as its factorization.

1212020199763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 1212020199763 in words is "one trillion, two hundred twelve billion, twenty million, one hundred ninety-nine thousand, seven hundred sixty-three".