10121121220012 has 48 divisors (see below), whose sum is σ = 19445973069600. Its totient is φ = 4571117429760.

The previous prime is 10121121219997. The next prime is 10121121220033. The reversal of 10121121220012 is 21002212112101.

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, 3268564 + ... + 5561092.

It is an arithmetic number, because the mean of its divisors is an integer number (405124438950).

Almost surely, 2^{10121121220012} is an apocalyptic number.

It is an amenable number.

10121121220012 is a deficient number, since it is larger than the sum of its proper divisors (9324851849588).

10121121220012 is a wasteful number, since it uses less digits than its factorization.

10121121220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293186 (or 2293184 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121121220012 its reverse (21002212112101), we get a palindrome (31123333332113).

The spelling of 10121121220012 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, twelve".