106212407291 has 8 divisors (see below), whose sum is σ = 108481425984. Its totient is φ = 103943771200.

The previous prime is 106212407239. The next prime is 106212407317. The reversal of 106212407291 is 192704212601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106212407291 - 2³⁴ = 89032538107 is a prime.

It is a super-2 number, since 2×106212407291² (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 (106212407221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505391 + ... + 683991.

It is an arithmetic number, because the mean of its divisors is an integer number (13560178248).

Almost surely, 2^106212407291 is an apocalyptic number.

106212407291 is a deficient number, since it is larger than the sum of its proper divisors (2269018693).

106212407291 is a wasteful number, since it uses less digits than its factorization.

106212407291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191301.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 106212407291 its reverse (192704212601), we get a palindrome (298916619892).

The spelling of 106212407291 in words is "one hundred six billion, two hundred twelve million, four hundred seven thousand, two hundred ninety-one".