12121302110010 has 64 divisors (see below), whose sum is σ = 29934500026752. Its totient is φ = 3138972984576.

The previous prime is 12121302109997. The next prime is 12121302110033. The reversal of 12121302110010 is 1001120312121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9859329 + ... + 11020388.

It is an arithmetic number, because the mean of its divisors is an integer number (467726562918).

Almost surely, 2^{12121302110010} is an apocalyptic number.

12121302110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121302110010 is an abundant number, since it is smaller than the sum of its proper divisors (17813197916742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121302110010 is a wasteful number, since it uses less digits than its factorization.

12121302110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880287.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12121302110010 its reverse (1001120312121), we get a palindrome (13122422422131).

The spelling of 12121302110010 in words is "twelve trillion, one hundred twenty-one billion, three hundred two million, one hundred ten thousand, ten".