121000030012 has 12 divisors (see below), whose sum is σ = 219051778680. Its totient is φ = 58413807536.

The previous prime is 121000030003. The next prime is 121000030069. The reversal of 121000030012 is 210030000121.

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, 521551738 + ... + 521551969.

It is an arithmetic number, because the mean of its divisors is an integer number (18254314890).

Almost surely, 2^121000030012 is an apocalyptic number.

It is an amenable number.

121000030012 is a deficient number, since it is larger than the sum of its proper divisors (98051748668).

121000030012 is a wasteful number, since it uses less digits than its factorization.

121000030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043103740 (or 1043103738 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 121000030012 its reverse (210030000121), we get a palindrome (331030030133).

The spelling of 121000030012 in words is "one hundred twenty-one billion, thirty thousand, twelve".