121311301012010 has 32 divisors (see below), whose sum is σ = 218851960734720. Its totient is φ = 48415290916608.

The previous prime is 121311301012001. The next prime is 121311301012043. The reversal of 121311301012010 is 10210103113121.

It is a self number, because there is not a number n which added to its sum of digits gives 121311301012010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49705871 + ... + 52089309.

It is an arithmetic number, because the mean of its divisors is an integer number (6839123772960).

Almost surely, 2^{121311301012010} is an apocalyptic number.

121311301012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311301012010 is a deficient number, since it is larger than the sum of its proper divisors (97540659722710).

121311301012010 is a wasteful number, since it uses less digits than its factorization.

121311301012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394902.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121311301012010 its reverse (10210103113121), we get a palindrome (131521404125131).

The spelling of 121311301012010 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred one million, twelve thousand, ten".