212106060105 has 32 divisors (see below), whose sum is σ = 360488164608. Its totient is φ = 106126540800.

The previous prime is 212106060073. The next prime is 212106060119. The reversal of 212106060105 is 501060601212.

It is not a de Polignac number, because 212106060105 - 2⁵ = 212106060073 is a prime.

It is a super-2 number, since 2×212106060105² (a number of 23 digits) contains 22 as substring.

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, 1257976 + ... + 1416585.

It is an arithmetic number, because the mean of its divisors is an integer number (11265255144).

Almost surely, 2^212106060105 is an apocalyptic number.

It is an amenable number.

212106060105 is a deficient number, since it is larger than the sum of its proper divisors (148382104503).

212106060105 is a wasteful number, since it uses less digits than its factorization.

212106060105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674897.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 212106060105 its reverse (501060601212), we get a palindrome (713166661317).

The spelling of 212106060105 in words is "two hundred twelve billion, one hundred six million, sixty thousand, one hundred five".