121101421432312 has 16 divisors (see below), whose sum is σ = 227065386345840. Its totient is φ = 60550651740096.

The previous prime is 121101421432297. The next prime is 121101421432337. The reversal of 121101421432312 is 213234124101121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065653 + ... + 15699355.

It is an arithmetic number, because the mean of its divisors is an integer number (14191586646615).

Almost surely, 2^{121101421432312} is an apocalyptic number.

It is an amenable number.

121101421432312 is a deficient number, since it is larger than the sum of its proper divisors (105963964913528).

121101421432312 is a wasteful number, since it uses less digits than its factorization.

121101421432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744022 (or 14744018 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121101421432312 its reverse (213234124101121), we get a palindrome (334335545533433).

The spelling of 121101421432312 in words is "one hundred twenty-one trillion, one hundred one billion, four hundred twenty-one million, four hundred thirty-two thousand, three hundred twelve".