1020010012349 has 2 divisors, whose sum is σ = 1020010012350. Its totient is φ = 1020010012348.

The previous prime is 1020010012321. The next prime is 1020010012379. The reversal of 1020010012349 is 9432100100201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970189540324 + 49820472025 = 984982^2 + 223205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020010012349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020010012379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510005006174 + 510005006175.

It is an arithmetic number, because the mean of its divisors is an integer number (510005006175).

Almost surely, 2^{1020010012349} is an apocalyptic number.

It is an amenable number.

1020010012349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020010012349 is an equidigital number, since it uses as much as digits as its factorization.

1020010012349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1020010012349 in words is "one trillion, twenty billion, ten million, twelve thousand, three hundred forty-nine".