1213130123206 has 16 divisors (see below), whose sum is σ = 1888496195040. Its totient is φ = 583765900480.

The previous prime is 1213130123197. The next prime is 1213130123263. The reversal of 1213130123206 is 6023210313121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33609031 + ... + 33645106.

It is an arithmetic number, because the mean of its divisors is an integer number (118031012190).

Almost surely, 2^{1213130123206} is an apocalyptic number.

1213130123206 is a deficient number, since it is larger than the sum of its proper divisors (675366071834).

1213130123206 is a wasteful number, since it uses less digits than its factorization.

1213130123206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67254479.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1213130123206 its reverse (6023210313121), we get a palindrome (7236340436327).

It can be divided in two parts, 1213130 and 123206, that added together give a 4-th power (1336336 = 34⁴).

The spelling of 1213130123206 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, one hundred twenty-three thousand, two hundred six".