106212504121 has 8 divisors (see below), whose sum is σ = 108825842664. Its totient is φ = 103600250880.

The previous prime is 106212504107. The next prime is 106212504127. The reversal of 106212504121 is 121405212601.

It can be written as a sum of positive squares in 4 ways, for example, as 287641600 + 105924862521 = 16960^2 + 325461^2 .

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 106212504121 - 2¹¹ = 106212502073 is a prime.

It is a super-2 number, since 2×106212504121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106212504127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71400 + ... + 466393.

It is an arithmetic number, because the mean of its divisors is an integer number (13603230333).

Almost surely, 2^106212504121 is an apocalyptic number.

It is an amenable number.

106212504121 is a deficient number, since it is larger than the sum of its proper divisors (2613338543).

106212504121 is an equidigital number, since it uses as much as digits as its factorization.

106212504121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542651.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 106212504121 its reverse (121405212601), we get a palindrome (227617716722).

The spelling of 106212504121 in words is "one hundred six billion, two hundred twelve million, five hundred four thousand, one hundred twenty-one".