121231311013010 has 32 divisors (see below), whose sum is σ = 238068418896000. Its totient is φ = 44081481951360.

The previous prime is 121231311012947. The next prime is 121231311013013. The reversal of 121231311013010 is 10310113132121.

It is not an unprimeable number, because it can be changed into a prime (121231311013013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31037435 + ... + 34724414.

It is an arithmetic number, because the mean of its divisors is an integer number (7439638090500).

Almost surely, 2^{121231311013010} is an apocalyptic number.

121231311013010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231311013010 is a deficient number, since it is larger than the sum of its proper divisors (116837107882990).

121231311013010 is a wasteful number, since it uses less digits than its factorization.

121231311013010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65778626.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121231311013010 its reverse (10310113132121), we get a palindrome (131541424145131).

The spelling of 121231311013010 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three hundred eleven million, thirteen thousand, ten".