2107212700065 has 32 divisors (see below), whose sum is σ = 3678624035712. Its totient is φ = 1021517760000.

The previous prime is 2107212700003. The next prime is 2107212700067. The reversal of 2107212700065 is 5600072127012.

It is not a de Polignac number, because 2107212700065 - 2⁷ = 2107212699937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2107212699999 and 2107212700035.

It is not an unprimeable number, because it can be changed into a prime (2107212700067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45715 + ... + 2053415.

It is an arithmetic number, because the mean of its divisors is an integer number (114957001116).

Almost surely, 2^{2107212700065} is an apocalyptic number.

It is an amenable number.

2107212700065 is a deficient number, since it is larger than the sum of its proper divisors (1571411335647).

2107212700065 is a wasteful number, since it uses less digits than its factorization.

2107212700065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014081.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 2107212700065 its reverse (5600072127012), we get a palindrome (7707284827077).

The spelling of 2107212700065 in words is "two trillion, one hundred seven billion, two hundred twelve million, seven hundred thousand, sixty-five".