120263636100 has 144 divisors (see below), whose sum is σ = 352024094016. Its totient is φ = 31696896000.

The previous prime is 120263636047. The next prime is 120263636107. The reversal of 120263636100 is 1636362021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (120263636107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25634755 + ... + 25639445.

It is an arithmetic number, because the mean of its divisors is an integer number (2444611764).

Almost surely, 2^120263636100 is an apocalyptic number.

120263636100 is a gapful number since it is divisible by the number (10) 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 120263636100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176012047008).

120263636100 is an abundant number, since it is smaller than the sum of its proper divisors (231760457916).

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

120263636100 is a wasteful number, since it uses less digits than its factorization.

120263636100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 120263636100 its reverse (1636362021), we get a palindrome (121899998121).

The spelling of 120263636100 in words is "one hundred twenty billion, two hundred sixty-three million, six hundred thirty-six thousand, one hundred".