121300120112012 has 12 divisors (see below), whose sum is σ = 212278090620960. Its totient is φ = 60649237077456.

The previous prime is 121300120112011. The next prime is 121300120112077. The reversal of 121300120112012 is 210211021003121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121300120112011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205412948 + ... + 206002619.

It is an arithmetic number, because the mean of its divisors is an integer number (17689840885080).

Almost surely, 2^{121300120112012} is an apocalyptic number.

It is an amenable number.

121300120112012 is a deficient number, since it is larger than the sum of its proper divisors (90977970508948).

121300120112012 is a wasteful number, since it uses less digits than its factorization.

121300120112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411489280 (or 411489278 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121300120112012 its reverse (210211021003121), we get a palindrome (331511141115133).

The spelling of 121300120112012 in words is "one hundred twenty-one trillion, three hundred billion, one hundred twenty million, one hundred twelve thousand, twelve".