121003012 has 24 divisors (see below), whose sum is σ = 228445056. Its totient is φ = 55749408.

The previous prime is 121003007. The next prime is 121003019. The reversal of 121003012 is 210300121.

It is a self number, because there is not a number n which added to its sum of digits gives 121003012.

It is not an unprimeable number, because it can be changed into a prime (121003019) 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, 33813 + ... + 37219.

It is an arithmetic number, because the mean of its divisors is an integer number (9518544).

Almost surely, 2^121003012 is an apocalyptic number.

It is an amenable number.

121003012 is a deficient number, since it is larger than the sum of its proper divisors (107442044).

121003012 is a wasteful number, since it uses less digits than its factorization.

121003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107 (or 4105 counting only the distinct ones).

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

The square root of 121003012 is about 11000.1369082389. The cubic root of 121003012 is about 494.6128483171.

Adding to 121003012 its reverse (210300121), we get a palindrome (331303133).

The spelling of 121003012 in words is "one hundred twenty-one million, three thousand, twelve".