121030031110012 has 48 divisors (see below), whose sum is σ = 216377052956064. Its totient is φ = 59221079424000.

The previous prime is 121030031110007. The next prime is 121030031110033. The reversal of 121030031110012 is 210011130030121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245369712 + ... + 245862472.

It is an arithmetic number, because the mean of its divisors is an integer number (4507855269918).

Almost surely, 2^{121030031110012} is an apocalyptic number.

It is an amenable number.

121030031110012 is a deficient number, since it is larger than the sum of its proper divisors (95347021846052).

121030031110012 is a wasteful number, since it uses less digits than its factorization.

121030031110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499390 (or 499388 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121030031110012 its reverse (210011130030121), we get a palindrome (331041161140133).

The spelling of 121030031110012 in words is "one hundred twenty-one trillion, thirty billion, thirty-one million, one hundred ten thousand, twelve".