2120063506345 has 8 divisors (see below), whose sum is σ = 2612835024264. Its totient is φ = 1650211593984.

The previous prime is 2120063506283. The next prime is 2120063506361. The reversal of 2120063506345 is 5436053600212.

It can be written as a sum of positive squares in 4 ways, for example, as 67041637776 + 2053021868569 = 258924^2 + 1432837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120063506345 - 2⁷ = 2120063506217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729901184 + ... + 5729901553.

It is an arithmetic number, because the mean of its divisors is an integer number (326604378033).

Almost surely, 2^{2120063506345} is an apocalyptic number.

It is an amenable number.

2120063506345 is a deficient number, since it is larger than the sum of its proper divisors (492771517919).

2120063506345 is a wasteful number, since it uses less digits than its factorization.

2120063506345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459802779.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 2120063506345 in words is "two trillion, one hundred twenty billion, sixty-three million, five hundred six thousand, three hundred forty-five".