1213120006 has 16 divisors (see below), whose sum is σ = 2083491360. Its totient is φ = 518944320.

The previous prime is 1213119991. The next prime is 1213120039. The reversal of 1213120006 is 6000213121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72511 + ... + 87658.

It is an arithmetic number, because the mean of its divisors is an integer number (130218210).

Almost surely, 2^1213120006 is an apocalyptic number.

1213120006 is a deficient number, since it is larger than the sum of its proper divisors (870371354).

1213120006 is a wasteful number, since it uses less digits than its factorization.

1213120006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160719.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1213120006 is about 34829.8723224763. The cubic root of 1213120006 is about 1066.5173419656.

Adding to 1213120006 its reverse (6000213121), we get a palindrome (7213333127).

The spelling of 1213120006 in words is "one billion, two hundred thirteen million, one hundred twenty thousand, six".