7212106106565 has 16 divisors (see below), whose sum is σ = 11541201277056. Its totient is φ = 3845846088000.

The previous prime is 7212106106539. The next prime is 7212106106581. The reversal of 7212106106565 is 5656016012127.

It is not a de Polignac number, because 7212106106565 - 2¹⁷ = 7212105975493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38058721 + ... + 38247750.

It is an arithmetic number, because the mean of its divisors is an integer number (721325079816).

Almost surely, 2^{7212106106565} is an apocalyptic number.

It is an amenable number.

7212106106565 is a deficient number, since it is larger than the sum of its proper divisors (4329095170491).

7212106106565 is a wasteful number, since it uses less digits than its factorization.

7212106106565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76312780.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 7212106106565 in words is "seven trillion, two hundred twelve billion, one hundred six million, one hundred six thousand, five hundred sixty-five".