121150012 has 24 divisors (see below), whose sum is σ = 215938800. Its totient is φ = 59463936.

The previous prime is 121150009. The next prime is 121150019. The reversal of 121150012 is 210051121.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 121149974 and 121150001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121150019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48039 + ... + 50497.

It is an arithmetic number, because the mean of its divisors is an integer number (8997450).

Almost surely, 2^121150012 is an apocalyptic number.

It is an amenable number.

121150012 is a deficient number, since it is larger than the sum of its proper divisors (94788788).

121150012 is a wasteful number, since it uses less digits than its factorization.

121150012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 121150012 is about 11006.8166151708. The cubic root of 121150012 is about 494.8130600427.

The spelling of 121150012 in words is "one hundred twenty-one million, one hundred fifty thousand, twelve".