121206086006 has 4 divisors (see below), whose sum is σ = 181809129012. Its totient is φ = 60603043002.

The previous prime is 121206085997. The next prime is 121206086009. The reversal of 121206086006 is 600680602121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121206086009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30301521500 + ... + 30301521503.

It is an arithmetic number, because the mean of its divisors is an integer number (45452282253).

Almost surely, 2^121206086006 is an apocalyptic number.

121206086006 is a deficient number, since it is larger than the sum of its proper divisors (60603043006).

121206086006 is an equidigital number, since it uses as much as digits as its factorization.

121206086006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60603043005.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 121206086006 its reverse (600680602121), we get a palindrome (721886688127).

The spelling of 121206086006 in words is "one hundred twenty-one billion, two hundred six million, eighty-six thousand, six".