10212112121104 has 80 divisors (see below), whose sum is σ = 21116268079488. Its totient is φ = 4767630575616.

The previous prime is 10212112121089. The next prime is 10212112121129. The reversal of 10212112121104 is 40112121121201.

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, 24488389 + ... + 24901915.

Almost surely, 2^{10212112121104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212112121104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10558134039744).

10212112121104 is an abundant number, since it is smaller than the sum of its proper divisors (10904155958384).

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

10212112121104 is a wasteful number, since it uses less digits than its factorization.

10212112121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414272 (or 414266 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10212112121104 its reverse (40112121121201), we get a palindrome (50324233242305).

The spelling of 10212112121104 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred four".