1200030110040 has 64 divisors (see below), whose sum is σ = 3607305120000. Its totient is φ = 319366714752.

The previous prime is 1200030110039. The next prime is 1200030110047. The reversal of 1200030110040 is 400110300021.

It is a happy number.

It is a super-2 number, since 2×1200030110040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1200030109998 and 1200030110025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030110047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9960412 + ... + 10080171.

It is an arithmetic number, because the mean of its divisors is an integer number (56364142500).

Almost surely, 2^{1200030110040} is an apocalyptic number.

1200030110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200030110040 is an abundant number, since it is smaller than the sum of its proper divisors (2407275009960).

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

1200030110040 is a wasteful number, since it uses less digits than its factorization.

1200030110040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041096 (or 20041092 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1200030110040 its reverse (400110300021), we get a palindrome (1600140410061).

The spelling of 1200030110040 in words is "one trillion, two hundred billion, thirty million, one hundred ten thousand, forty".