121223012032112 has 10 divisors (see below), whose sum is σ = 234869585812248. Its totient is φ = 60611506016048.

The previous prime is 121223012032061. The next prime is 121223012032151. The reversal of 121223012032112 is 211230210322121.

It is a super-2 number, since 2×121223012032112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788219125988 + ... + 3788219126019.

Almost surely, 2^{121223012032112} is an apocalyptic number.

It is an amenable number.

121223012032112 is a deficient number, since it is larger than the sum of its proper divisors (113646573780136).

121223012032112 is an equidigital number, since it uses as much as digits as its factorization.

121223012032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576438252015 (or 7576438252009 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121223012032112 its reverse (211230210322121), we get a palindrome (332453222354233).

The spelling of 121223012032112 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, twelve million, thirty-two thousand, one hundred twelve".