1200140003100 has 144 divisors (see below), whose sum is σ = 3576847365728. Its totient is φ = 310462709760.

The previous prime is 1200140003093. The next prime is 1200140003129. The reversal of 1200140003100 is 13000410021.

It is a happy number.

It is a super-2 number, since 2×1200140003100² (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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3580284 + ... + 3901116.

Almost surely, 2^{1200140003100} is an apocalyptic number.

1200140003100 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 1200140003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788423682864).

1200140003100 is an abundant number, since it is smaller than the sum of its proper divisors (2376707362628).

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

1200140003100 is a wasteful number, since it uses less digits than its factorization.

1200140003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321224 (or 321217 counting only the distinct ones).

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

Adding to 1200140003100 its reverse (13000410021), we get a palindrome (1213140413121).

The spelling of 1200140003100 in words is "one trillion, two hundred billion, one hundred forty million, three thousand, one hundred".