10202120112 has 80 divisors (see below), whose sum is σ = 27347298272. Its totient is φ = 3274629120.

The previous prime is 10202120099. The next prime is 10202120141. The reversal of 10202120112 is 21102120201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 142662 + ... + 201882.

Almost surely, 2^10202120112 is an apocalyptic number.

10202120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13673649136).

10202120112 is an abundant number, since it is smaller than the sum of its proper divisors (17145178160).

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

10202120112 is a wasteful number, since it uses less digits than its factorization.

10202120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59366 (or 59360 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202120112 its reverse (21102120201), we get a palindrome (31304240313).

The spelling of 10202120112 in words is "ten billion, two hundred two million, one hundred twenty thousand, one hundred twelve".