1200100301020 has 12 divisors (see below), whose sum is σ = 2520210632184. Its totient is φ = 480040120400.

The previous prime is 1200100301017. The next prime is 1200100301051. The reversal of 1200100301020 is 201030010021.

It is a super-2 number, since 2×1200100301020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1200100300988 and 1200100301006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30002507506 + ... + 30002507545.

It is an arithmetic number, because the mean of its divisors is an integer number (210017552682).

Almost surely, 2^{1200100301020} is an apocalyptic number.

1200100301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200100301020 is an abundant number, since it is smaller than the sum of its proper divisors (1320110331164).

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

1200100301020 is a wasteful number, since it uses less digits than its factorization.

1200100301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60005015060 (or 60005015058 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1200100301020 its reverse (201030010021), we get a palindrome (1401130311041).

The spelling of 1200100301020 in words is "one trillion, two hundred billion, one hundred million, three hundred one thousand, twenty".