1000000030120 has 96 divisors (see below), whose sum is σ = 2818681475400. Its totient is φ = 316483517952.

The previous prime is 1000000030093. The next prime is 1000000030121. The reversal of 1000000030120 is 210300000001.

It can be written as a sum of positive squares in 4 ways, for example, as 548923919236 + 451076110884 = 740894^2 + 671622^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1000000030121) 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, 19597755 + ... + 19648714.

Almost surely, 2^{1000000030120} is an apocalyptic number.

1000000030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000000030120 is an abundant number, since it is smaller than the sum of its proper divisors (1818681445280).

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

1000000030120 is a wasteful number, since it uses less digits than its factorization.

1000000030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39246507 (or 39246496 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 1000000030120 its reverse (210300000001), we get a palindrome (1210300030121).

The spelling of 1000000030120 in words is "one trillion, thirty thousand, one hundred twenty".