1202100112 has 40 divisors (see below), whose sum is σ = 2415079800. Its totient is φ = 578952192.

The previous prime is 1202100089. The next prime is 1202100181. The reversal of 1202100112 is 2110012021.

It can be written as a sum of positive squares in 4 ways, for example, as 249513616 + 952586496 = 15796^2 + 30864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209214 + ... + 214882.

It is an arithmetic number, because the mean of its divisors is an integer number (60376995).

Almost surely, 2^1202100112 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 1202100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207539900).

1202100112 is an abundant number, since it is smaller than the sum of its proper divisors (1212979688).

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

1202100112 is a wasteful number, since it uses less digits than its factorization.

1202100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1202100112 is about 34671.3154062548. The cubic root of 1202100112 is about 1063.2781251220.

Adding to 1202100112 its reverse (2110012021), we get a palindrome (3312112133).

The spelling of 1202100112 in words is "one billion, two hundred two million, one hundred thousand, one hundred twelve".