121201132331212 has 12 divisors (see below), whose sum is σ = 212196543334776. Its totient is φ = 60573548521280.

The previous prime is 121201132331179. The next prime is 121201132331273. The reversal of 121201132331212 is 212133231102121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6754400989 + ... + 6754418932.

It is an arithmetic number, because the mean of its divisors is an integer number (17683045277898).

Almost surely, 2^{121201132331212} is an apocalyptic number.

It is an amenable number.

121201132331212 is a deficient number, since it is larger than the sum of its proper divisors (90995411003564).

121201132331212 is a wasteful number, since it uses less digits than its factorization.

121201132331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13508822168 (or 13508822166 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121201132331212 its reverse (212133231102121), we get a palindrome (333334363433333).

The spelling of 121201132331212 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twelve".