2120734015005 has 32 divisors (see below), whose sum is σ = 3410172057600. Its totient is φ = 1125406177280.

The previous prime is 2120734014989. The next prime is 2120734015033. The reversal of 2120734015005 is 5005104370212.

It is not a de Polignac number, because 2120734015005 - 2⁴ = 2120734014989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2006596 + ... + 2875394.

It is an arithmetic number, because the mean of its divisors is an integer number (106567876800).

Almost surely, 2^{2120734015005} is an apocalyptic number.

It is an amenable number.

2120734015005 is a deficient number, since it is larger than the sum of its proper divisors (1289438042595).

2120734015005 is a wasteful number, since it uses less digits than its factorization.

2120734015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869621.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 2120734015005 its reverse (5005104370212), we get a palindrome (7125838385217).

The spelling of 2120734015005 in words is "two trillion, one hundred twenty billion, seven hundred thirty-four million, fifteen thousand, five".