121311003002 has 16 divisors (see below), whose sum is σ = 208105077312. Its totient is φ = 51954590400.

The previous prime is 121311002999. The next prime is 121311003007. The reversal of 121311003002 is 200300113121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (121311003007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965583 + ... + 3006210.

It is an arithmetic number, because the mean of its divisors is an integer number (13006567332).

Almost surely, 2^121311003002 is an apocalyptic number.

121311003002 is a deficient number, since it is larger than the sum of its proper divisors (86794074310).

121311003002 is a wasteful number, since it uses less digits than its factorization.

121311003002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973253.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121311003002 its reverse (200300113121), we get a palindrome (321611116123).

The spelling of 121311003002 in words is "one hundred twenty-one billion, three hundred eleven million, three thousand, two".