1200100030002 has 48 divisors (see below), whose sum is σ = 2786601280320. Its totient is φ = 372298946976.

The previous prime is 1200100030001. The next prime is 1200100030009. The reversal of 1200100030002 is 2000300010021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1200100030001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39157552 + ... + 39188187.

It is an arithmetic number, because the mean of its divisors is an integer number (58054193340).

Almost surely, 2^{1200100030002} is an apocalyptic number.

1200100030002 is an abundant number, since it is smaller than the sum of its proper divisors (1586501250318).

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

1200100030002 is a wasteful number, since it uses less digits than its factorization.

1200100030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78345807 (or 78345804 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1200100030002 its reverse (2000300010021), we get a palindrome (3200400040023).

The spelling of 1200100030002 in words is "one trillion, two hundred billion, one hundred million, thirty thousand, two".