10121222012120 has 64 divisors (see below), whose sum is σ = 22788813088800. Its totient is φ = 4045633966080.

The previous prime is 10121222012101. The next prime is 10121222012131. The reversal of 10121222012120 is 2121022212101.

It is a congruent number.

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, 505772915 + ... + 505792925.

Almost surely, 2^{10121222012120} is an apocalyptic number.

10121222012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121222012120 is an abundant number, since it is smaller than the sum of its proper divisors (12667591076680).

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

10121222012120 is a wasteful number, since it uses less digits than its factorization.

10121222012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308 (or 28304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10121222012120 its reverse (2121022212101), we get a palindrome (12242244224221).

The spelling of 10121222012120 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred twenty".