121043012 has 6 divisors (see below), whose sum is σ = 211825278. Its totient is φ = 60521504.

The previous prime is 121042991. The next prime is 121043051. The reversal of 121043012 is 210340121.

It can be written as a sum of positive squares in only one way, i.e., 105801796 + 15241216 = 10286^2 + 3904^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15130373 + ... + 15130380.

It is an arithmetic number, because the mean of its divisors is an integer number (35304213).

Almost surely, 2^121043012 is an apocalyptic number.

It is an amenable number.

121043012 is a deficient number, since it is larger than the sum of its proper divisors (90782266).

121043012 is a wasteful number, since it uses less digits than its factorization.

121043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30260757 (or 30260755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121043012 is about 11001.9549171954. The cubic root of 121043012 is about 494.6673437492.

Adding to 121043012 its reverse (210340121), we get a palindrome (331383133).

The spelling of 121043012 in words is "one hundred twenty-one million, forty-three thousand, twelve".